二年级数学混合运算口算练习题

1、二年级数学混合运算口算练习题二年级数学下册混合运算练习题16-2X 791 + 85- 2650+ 2X 82X 9X 83X 8X 890- 81 + 220* 5+ 37=14+11-259X 5X 5 =96 2 X 4 =51 - 30+ 5=8X 6+ 79=19+ 6X 6=5X 6+ 82 =36+ 69- 16=4X 24* 4=5X 70- 10=25- 5X 9 =93- 7X 4=77+ 66- 49=4X 7X 7 =80+ 5X 7=7X 90* 9=63- 16+ 16=45+ 91 + 29=72 - 25 - 5 =95- 57+ 44=9X 40* 10=73

2、 + 24 - 3 =60 - 10+ 99 =5X 16* 8=60* 6+ 29=46+ 91 + 80=96- 44+ 68=4X 7+ 98=51 + 37- 59=71 - 9- 48=4X 4X 2=43+ 58-67=6X 4-19=4+4X 8 =8X 27- 9 =93- 22+ 345X 4X 7=22+ 32+ 97=76+ 57- 79=47- 3X 2=28* 4+ 83=4X 6- 11 =34+ 4X 4=8X 4- 22=97- 7- 66=70- 10X 5 =9X 36-9 =16* 1 * 8=90+ 9X 7=9X 4- 10=36 - 9+ 69 =5

3、9+ 74- 70=92- 6X 2=6X 6X 3 =24 - 5 -5 =89-76-11=168* 3* 7=8X 5+ 45=96- 2X 3=36* 9X 5=13+ 8X 8=3X 4X 9=35* 5+ 31 =99- 9* 3=42* 6- 4=42- 6X 2=20*5-3=74+31-16=79-38+40=9X 9-61 =60+ 72* 8=6X 4+ 61 =10-63*9=70- 3+ 13=13+71+38=62+ 86+ 70=115- 9X 5=47 - 11-21 =18-63*7=283094=21 - 2X 3=432 + 8 + 9 =53- 37-

4、4=3X 768=62- 4X 4=30 * 5+ 58 =75 5X 3=299X 2=144* 6* 4=108* 3*4 =74- 8X 7=59- 30* 10=8X 5- 14=8X 2X 7 =78- 81 * 9=98- 47 0=6X 8 3=72* 9- 1=2235* 5=61 97- 8=90* 9X 5=26 93- 52=5X 3 95=801552=30*1065=87-7X 7=72- 17- 24=4 5X 6=75 24* 6=8X 3+ 89=5771 - 96=82- 74 72=62- 32* 4=56 71 - 23=4 5251 =270* 6* 5

5、=73- 10* 10=57- 13- 42=86- 73 1 =84 42* 6=18- 12* 2=38- 7 69=4843-21=102-4X6=16* 4X 3=12*4X 2=20*1018=8X 9 72=91 - 3758=38 80* 8=77-81*9=24* 8- 1=31 9X 8=28- 2X 8=3X 7 20=565118=16 76- 5479- 73- 4=12*3*1=92- 37- 41 =27 91 - 42136- 7X 7 =50* 5- 4=210* 7* 3=83- 8- 9=14+ 5X 7=3296- 33=492581=89 93- 26=

6、98- 3947=22- 21 43=4X 14* 7=58- 6- 8=113-5X 3 =42 4X 6=192* 6* 8=20 21 * 7=72* 8X 6=9X 9X 6=65- 3X 9=12- 8 59=661479=3X 533=3715* 3=89- 16- 5=66 9 X 4=1 X 9* 9=196* 4* 7=69- 5639=6* 2 20=1 X 30* 6=5393-13=61 - 41 - 18=35+ 5-2=47- 16- 22=79- 46- 27=72+ 6+ 4=21 + 7X 8=24 + 3X 8 =126- 5X 6=99+ 35+ 31 =

7、30 6953=24 - 1 X 8 =5X 3- 6=20+ 46+ 62=51 + 80+ 84=3X 1 + 67 =43+ 78- 76=41 - 4X 715- 12+ 68=97+ 52- 57=74- 38- 32=32+ 8X 8=8X 4+ 41 =159- 8X 9=68- 20+ 2=80+ 5+ 4=7- 1 + 29=50- 10+ 5=4X 8+ 16=5X 9X 5=80 - 2 -8=3 X 8X 5=2X 8- 8=6X 8+ 27=61 - 20- 36=4X 9X 4=13+ 58+ 61 =13+ 16- 24=80+ 24- 66=118- 7X 3=

8、71 - 30+ 10=27+ 4X 5=95- 6X 7=6X 8+ 75=9X 6- 12=77- 13- 14=90+ 10-9 =91 - 25- 7=87+ 51- 54=90- 9+ 9=14+ 66- 52=34+ 80+ 8=32+ 2+ 2=77- 12+ 3=9X 24 + 4=67- 4- 56=83+ 49+ 12=3X 9X 9=5X 32 + 8=105+ 7+ 3=58+ 20+ 4=25+ 18+ 9=40+ 5- 4=6+ 3+ 39=63- 2X 4=6X 5+ 51 =66+ 60+ 6=90+ 11- 34=91 + 12+ 4=27+ 3+ 3=3X

9、8+ 33=6X 6+ 88=51 - 27+ 3=80- 36+ 9=70+ 7+ 10=64+ 3X 8=14+ 7+ 36=4X 5X 9=60+ 93+ 42=45- 11- 28=10+ 78+ 3=54+ 9X 6=58- 3+ 3=23+ 10+ 10=2X 3+ 64=19+ 5X 3=60+ 3+ 5=18- 11- 6=84+ 95+ 74=83- 57- 20= 23+48+ 66=40+ 10+ 17=2+ 8X 8=86+ 6X 5=8+2X 5 =13+ 50+ 48=46- 54+ 6=29+ 49+ 7=78+ 82 - 59 =40- 3+ 18=78- 80

10、+ 8=82+ 64- 18=56+ 8X 7=21+ 56+ 8=18+ 6X 7=60- 54+ 31=65 - 36 - 4 =40+ 10+ 68=24+ 4+ 3=47- 25+ 44=36+ 10+ 65=62- 4X 2=88- 68+ 8=50+ 5X 9=28 - 4-5=4X 9+ 4=60+ 33- 16=54+ 6+ 62=40+ 5-4=6+ 6+ 91=54+ 9X 6=144+ 6+ 8=54- 35- 4=30+ 3X 7=24+ 6- 3=8X 27+ 9=95 + 7X 6=76+ 27+ 9=29+ 4X 7=14+ 7X 9=60+ 6+ 23=95+

11、9+ 3=9X 9- 25=48+ 8- 3=36- 8- 17=79+ 6+ 23=5X 8- 6=5- 36+ 9=78+ 28+ 4=18+ 2X 3=49+ 7X 7=46- 24- 7=58 + 6 X 3=33+ 19+ 42=47+ 14+ 2=51- 6- 10=76- 39- 10=137- 8X 6=61- 50- 7=8+ 40+ 18=8+ 8+ 13=16+ 2X 4=62+ 80- 79=2+ 81- 62=97+ 19+ 88=65- 40- 2=71+ 7X 7=51- 39- 5=60- 11- 40=60+ 71+ 65=99- 8+ 81=30+ 10+

12、65=76+ 92- 40=39- 32- 3=4X 5X 2=30+ 10+ 79=96- 16+ 8=79- 9X 8=40+ 5+ 82=84+ 16+ 5=75+ 7X 2=9X 8X 4=77+ 79+ 57=92+ 7- 97=30+ 5+ 58=648+ 9+ 9=92- 24+ 67=49+ 7+ 52=7+ 20+ 7=90+ 18+ 3=96+ 31- 97=54- 6X 8=18+ 35+ 94=53- 17+ 46=101- 2X 5=94+ 7X 5=22- 3X 7=92+ 80- 10=8+ 8+ 16=64+ 66+ 3=5X 4+ 47=10+ 2+ 63=6

13、2+ 86+ 70=33+ 2X 4=40 - 4-3=42 + 73 + 38= 30 - 10+ 21=51 + 69 - 94 =7X 5- 19=58- 30+ 65=10+ 40- 9=92+ 49+ 82=61 - 3X 6=4 X 8 16 =96- 5X 8=2X 9X 2=24 - 4-4=28 + 7X 7 =38- 11 - 6=7X 9+ 28=28+ 5X 1 =10- 14-2 =40+ 42- 31 =91 + 97- 69=13 4087=109 -40 - 4 =24- 13+ 38=98+ 25+ 32=46- 3+ 20=14+ 51 - 4=7X 5X

14、8=24 + 20 - 5 =78- 20+ 63=35+ 9X 3=2+ 95+ 79=65 + 6 - 3 =69+ 69+ 74=97- 89+ 33=3X 70- 10 =54- 46- 2=57- 33+ 45=9X 8+ 68=9X 8+ 61 =33+ 2X 4=23+ 82+ 92=30 - 3 + 42 =70- 10X 7=80- 36- 9 =42 - 6 -2=89 + 12-2 =72 - 8-3 =6X 8+ 3=180 + 10-3 =81 - 5X 2=35+ 21 + 23=40 - 4 -5 =5X 3+ 13=30 - 6+ 26 =69+ 12+ 46=

15、90* 9 X 5 =93- 9+ 46=120 + 3-8 =22 + 71 + 26=43 + 30 - 10 =86- 73+ 62=76 + 21 - 3 =65+ 7X 3=9* 9+ 98=90- 8X 1 =50 - 5+ 72 =4+ 8X 6=8+ 40+ 18=53 + 90 - 9 =91 - 12+ 34=57+ 78+ 16=2+ 81 - 62=60- 10X 4 =65- 1 + 25=78+ 8X 7=24+ 20* 5=85- 9X 9=98+ 32+ 44=2X 5X 3=65+ 6* 3=55- 42+ 78=87- 42+ 75=30- 10X 9 =5

16、4- 46- 2=8X 2+ 52=2X 5X 7=73- 38- 31=33+ 2X 4=66 + 6X 7=70+ 2+ 3=41 - 3X 4=2X 9X 8=120 - 5 -6 =95+ 13+ 50=34 + 40- 4=14+ 11-25 =180 + 10-3 =2X 8X 3=79+ 5X 2=8X 6+ 79=53+ 60 - 85 =73 62 7=23+ 53+ 34=4X 24* 4=70 - 7 - 10=7X 4 7=4X 4 11 =77+ 66 49=60+ 93+ 42=5X 30* 3=61 20+ 57= 63 16+ 16=58 3* 3=5X 63*

17、 9=96+ 59+ 16=9X 40* 10=70- 3+ 13=13+19+29=67 53+ 6=60* 6+ 29=471121=8X 2X 7=60* 4* 5=51 + 37 59=432* 8* 9=98+ 32+ 44=70* 10X 9=6X 4 19=23+ 82+ 92=87 42+ 75=30* 10X 9=82+ 64 18=58 40* 10=67 4 56=40 10+ 11=79 10* 1 =601140=105* 7* 3=58+ 20* 4=5X 4X 7=76+ 92 40=6* 3+ 39=63 2X 4=28* 4+ 83=96 16* 8=53 3

18、7 4=91 + 12* 4=97 7 66=75 + 7X 2=75+ 5X 3=74+ 31 16=90+ 9X 7=66 + 6X 7=74 8X 7=6X 4+ 61 =92 6X 2=9X1X 4 =76+ 21 * 3=4+ 8X 6=168* 3* 7=120* 5* 6=4X 1 3=6* 6+ 77=13+ 8X 8=180* 10* 3=79 9X 8=40* 5+ 82=42* 6 4=3X 8X 8=9X 8X 4=77+ 79+ 57=79 38+ 40=9X 5X 5=648* 9* 9=92 24+ 67=144* 6* 4=6* 2 2=90+ 18* 3=96

19、+ 31 97=8X 5 14=19+ 6X 6=53 17+ 46=60* 4* 5=6X 8+ 3=5X 70* 10=63+91+20=70* 10X 9=40* 4 5=4X 7X 7=8X 2X 7=30* 10X 9=90* 9X 5=45+ 91+ 29 =98+ 32+ 44=50+ 2X 8=30+ 10+ 65=73+ 24 - 3 =87- 42+ 75=20+ 5+ 37=75+ 24+ 6=60+ 3-5=97- 89+ 33=51 - 30+ 5=27+ 91 - 42=46+ 91 + 80=91 + 85- 26=36+ 69- 16=83- 8- 9=71 9

20、 48=90- 81+ 2=78- 80+ 8=89+ 93- 26=4+4X 8 =96- 2X 4=93- 7X 4=58- 6- 8=22+ 32+ 97=5X 6+ 82=7X 90+ 9=20+ 21 + 7=4X 6- 11 =25+ 5X 9=95- 57+ 44=12- 8+ 59=42 + 6X 2=80+ 5X 7=5X 16+ 8=89- 16- 5=9X 9-61 =72- 25+ 5=4X 7+ 98=69- 56+ 39=70- 3+ 13=13+ 50+ 48=43+ 58- 67=61 - 41 - 18=47- 11-21=40- 3+ 18=36+ 9X 5

21、=72+ 6+ 4=432+ 8+ 9=60+ 10+ 99=99- 9+ 3=99+ 35+ 31 =30+ 5+ 58=96- 44+ 68=74+ 31 - 16=20+ 46+ 62=108+ 3+ 4=4X 4X 2=6X 4+ 61 =41 - 4X 7=8X 2X 7 =8X 27+ 9=80+ 10- 4=32+ 8X 8=98- 39+ 47=76+ 57- 79=62+ 86+ 70=80+ 5+ 4=113-5X 3 =34+ 4X 4=28+ 30+ 94=5X 9X 5=72 + 8X 6=9X 36+ 9=49+ 25+ 81=6X 8+ 27=66+ 14+ 79

22、=36+ 9+ 69=68+ 1 X 9=19+ 5X 3=66 9 X 4=53- 37- 4=4X 14+ 7=83- 57- 20=6+ 2+ 20=75+ 5X 3=192+ 6+ 8=5- 36+ 9=21 + 7X 8=74- 8X 7=65- 3X 9=46- 24- 7=30+ 69+ 53=32+ 96- 33=37+ 15+ 3=51 - 6- 10=51 + 80+ 84 =22- 21+ 43=196- 4- 7=84+ 60- 10=15- 12 + 68 =42 + 4X 6 =53+ 93- 13=83- 13- 3=8X 4+ 41 =9X 9X 6 =79-

23、46- 27=10- 63- 9=7- 1 + 29=3 X 5+ 33 =126- 5X 6=99+ 35+ 31 =80 - 2 -8=47- 16- 22=5X 3- 6=20+ 46+ 62=78+ 82- 59=24+ 3X 8=43+ 78- 76=41 - 4X 7=97+ 19+ 88=97+ 52- 57=74- 38- 32=60- 54+ 31 =60- 11-40=159- 8X 9=68- 20- 2=47- 25+ 44=76+ 92- 40=50 - 10-5 =48- 6- 3=50- 5X 9=13+ 40+ 87=3X 8X 5=84+ 95+ 74=2X

24、9X 8=46- 3+ 20=4X 9X 4=71+7X 7=14+ 11-25=30+ 69+ 53=45- 11- 28=99- 8+ 81 =8X 6+ 79=51 + 80+ 84=23+ 10- 10=4X 5X 2=4X 24- 4=15- 12+ 68=60+ 71+ 65=40- 5+ 82=77+ 66- 49=56 + 8X 7=39- 32- 3=77+ 79+ 57=63- 16+ 16=65 - 36 + 4 =79- 9X 8=2+ 8X 8=9X 40- 10=36+ 10+ 65=9X 8X 4=46- 54- 6=60- 6+ 29=3X 8X 8 =18-1

25、1- 6=9X 8+ 61 =51 + 37- 59=9X 5X 5 =40- 10+ 17=70- 10X 7=6X 4- 19=19+ 6X 6=35+ 9X 3=72- 8- 3=5X 4X 7=5X 70- 10=97- 89+ 33=35+ 21+ 23=28- 4+ 83=4X 7X 7 =9X 8+ 68=3X 7+ 68=97-7- 66=45+ 91 + 29=30- 3+ 42=93- 22+ 34=90+ 9X 7=73 + 24 - 3 =89+ 12- 2=196- 4- 7=92- 6X 2=46+ 91 + 80 =12* 4* 3=53+ 93- 13=168*

26、 3* 7=71 - 9 -48 =35* 5+ 31 =79- 46- 27=13+ 8X 8=12-4-2=47- 16- 22=88- 68+ 8=79- 38+ 40=60 - 6 -7=40* 10+ 68=60+ 33- 16=10- 63* 9=30 - 10- 1 =62- 4X 2 =50+ 2X 8=115-9X5=32+ 2-2=4X 9+4 =20* 5+ 37=62- 4X 4=4+4X 8 =91 + 85- 26=51 - 30+ 5=32* 8X 6=22+ 32+ 97=90-81+2=36+ 69- 16=144* 6* 4=4X 6- 11 =96 2 X

27、 4 =93- 7X 4=8X 5- 14=70- 10X 5 =5X 6+ 82 =7X 90* 9=6X 8+ 3=9X 4- 10=25* 5X 9=95- 57+ 44=40* 4- 5=6X 6X 3 =80+ 5X 7=5X 16* 8=90* 9X 5=8X 5+ 45=72- 25* 5=4X 7+ 98=30* 10+ 65=3X 4X 9 =60* 10+ 99=43+ 58- 67=75+ 24* 6=42- 6X 2=96- 44+ 68=93- 22+ 34=62- 32* 4=9X 9-61 =4X 4X 2=47- 3X 2=16* 4X 3=70- 3+ 13=

28、8X 27* 9=8X 4- 22=91 - 37+ 58=47-11-21=76+ 57- 79=59+ 74- 70=128* 8* 8=432 + 8-9 =34+ 4X 4=89-76- 11=31 + 9X 8=30 * 5+ 58 =9X 36* 9=36* 9X 5=16+ 76- 54=108* 3*4 =36* 9+ 69=99- 9* 3=27+ 91 - 42=8X 2X 7 =35* 5+ 31 =74+ 31 - 16=83- 8- 9=26+ 93- 52=60+ 72* 8=6X 4+ 61 =89+ 93- 26=87-7X 7=13+ 71 + 38=62+

29、86+ 70=58- 6- 8=8X 3+ 89=18 -63 - 7 =28+ 30+ 94=20+ 21 - 7 =56+ 71 - 23 =53- 37- 4=3X 7+ 68=12- 8+ 59=571342=75+ 5X 3=29+ 9X 2=89- 16- 5=38- 7+ 69=74- 8X 7=59 - 30 - 10 =69- 56+ 39=12-4X 2=78 - 81 - 9 =61 + 97- 8=61 - 41 - 18=38 + 80 - 8 =22 + 35 - 5 =80+ 15+ 52=72 - 6-4 =28- 2X 8=5X 3+ 95=4+ 5X 6=9

30、9+ 35+ 31 =79- 73- 4=72- 17- 24=82- 74+ 72=20+ 46+ 62=136- 7X 7 =57+ 71 - 96=270 - 6- 5 =41 - 4X 7=14+ 5X 7=4+ 52+ 51 =84 + 42 - 6 =32- 8X 8 =98- 39+ 47=86- 73+ 1 =102- 4X 6=80 - 5-4 =113-5X 3 =48+ 43- 21 =8X 9+ 72=5X 9X 5=72- 8X 6=20 - 10+ 18 =56+ 51 + 18=6X 8+ 27=66+ 14+ 79=77 - 81 - 9 =92- 37- 41

31、 =13+ 16- 24=66 9 X 4=3X 7+ 20=210-7-3=27 + 4X 5 =6-2+ 20=32+ 96- 33=49+ 25+ 81 =77- 13- 14=21 + 7X 8=22- 21 + 43=4X 14-7=90- 9-9 =30+ 69+ 53=42+ 4X 6=192 + 6-8 =77- 12-3 =51 + 80+ 84=9X 9X 6=65- 3X 9=3X 9X 9=15- 12+ 68=3X 5+ 33=37 + 15-3 =25+ 18-9 =8X 4+ 41 =47- 16- 22=196 - 4-7 =6X 5+ 51 =61 - 20-

32、 36=24+ 3X 8=53+ 93- 13=27-3-3 =80+ 24- 66=97+ 52- 57=79- 46- 27=80 - 36 - 9 =95- 6X 7=159- 8X 9=126- 5X 6=4X 5X 9=90+ 10-9 =50- 10+ 5=5 X 3 6 =54+ 9X 6=14+ 66 - 52 =3X 8X 5 =43+ 78- 76=19+ 5X 3=9X 24 + 4=4X 9X 4 =74- 38- 32=83- 57- 20=5X 32 + 8=118- 7X 3 =68- 20+ 2=86+ 6X 5=40+ 5- 4=6X 8+ 75 =48- 6

33、+ 3=29+ 49+ 7=66+ 60+ 6=91 - 25- 7=4X 8+ 16=82+ 64- 18=3X 8+ 33=39-2- 11=13+ 58+ 61 =60- 54+ 31 =70+ 7+ 10=34+ 80+ 8=71 - 30+ 10=47- 25+ 44=60+ 93+ 42=67- 4- 56=9X 6- 12=50+ 5X 9=60+ 3+ 5=105+ 7+ 3=87+ 51 - 54=54+ 6+ 62=23+ 48+ 66=6+ 3+ 39=32+ 2+ 2=144+ 6+ 8=8+2X 5 =90+11- 34=83+ 49+ 12=53+ 39- 2=78

34、+ 82- 59=6X 6+ 88 =58+ 20+ 4=8X 27+ 9=7+ 7+ 8=64 + 3X 8 =63- 2X 4=14+ 7X 9=56 + 8X 7=45-11- 28=91 + 12+ 4=48+ 8- 3=65- 36+ 4=72+ 1 + 9=51 - 27+ 3=5- 36+ 9=36+ 10+ 65=23+ 10+ 10=14+ 7+ 36=46- 24- 7=28+ 4- 5=18-11-6=10+ 78+ 3=51 - 16- 17=40+ 5- 4=40+ 10+ 17=2X 3+ 64=8+ 40+ 18=54- 35- 4=13+50+48=84+ 95

35、+ 74=2+81-62=95 + 7X 6=40- 3+ 18=2+ 8X 8=51- 39- 5=60+ 6+ 23=2X 9 + 3 =46- 54+ 6=30+ 10+ 65=36- 8- 17=21 + 56+ 8=78- 80+ 8=10+ 2+ 60=44+ 32- 2=40+ 10+ 68=18+6X7=30+ 10+ 79=78+ 28 - 4 =62- 4X 2=24* 4* 3=84+ 16+ 5=58 + 6 X 3=4X 9+ 4=88- 68+ 8=92+ 7- 97=763910=6* 6+ 91 =60+ 33- 16=49* 7+ 52=8-8+ 13=30*

36、 3X 7=37* 9X 6=54- 6X 8=97+ 19+ 88=76+ 27* 9=29+ 4X 7=84+ 60* 10=601140=95+ 9* 3=9X 9- 25=43+ 30* 10=76+ 9240=79+ 6+ 23=5X 8- 6=94+ 7X 5=96 - 16-8 =33+ 19+ 42=49* 7X 7=64+ 66+ 3=75+ 7X 2=137- 8X 6=47+ 14* 2=33+ 2X 4=30 * 5+ 58 =60+ 71+ 65=61 - 50- 7=51 + 69- 94=7+ 20+ 7=39- 32- 3=62+ 80- 79=92+ 49+

37、82=18+ 35+ 94=79- 9X 8=71 + 7X 7=2X 9X 2=22- 3X 7=9X 8X 4=99- 8+ 81=7X 9+ 28=5X 4+ 47=648* 9* 9=40* 5+ 82=91 + 97- 69=40* 4- 3=90+ 18* 3=77+ 79+ 57=98+ 25+ 32=7X 5- 9=53- 17+ 46=92- 24+ 67=5* 5+ 34=61 - 3X 6=92+ 80- 10=96+ 31 - 97=24+ 20* 5=13+ 40+ 87=10* 2+ 63=8* 8+ 16=65+ 6* 3=46- 3+ 20=42+ 73+ 38

38、=62+ 86+ 70=54- 46- 2=78- 20+ 63=58- 30+ 65=30* 10+ 21=8+ 99+ 31 =69+ 69+ 74=4X 8- 16=10+ 40- 9=80- 36* 9=57- 33+ 45=28+ 7X 7=96- 5X 8=6X 8+ 3=23+ 82+ 92=10- 14* 2=38- 11 - 6=40* 4- 5=5X 3+ 13=109- 40* 4=40+ 42- 31 =90* 9X 5=93 - 9+ 46=14+ 51 - 4=24- 13+ 38=43+ 30+ 10=86- 73+ 62 =35 + 9 X 3 =7X 5X 8

39、=9+ 9+ 98=53+ 90 + 9 =97- 89+ 33=2+ 95+ 79=8+ 40+ 18=60- 10X 4 =9X 8+ 68=3X 70+ 10=2+ 81 - 62=85- 9X 9=30+ 3+ 42=9X 8+ 61 =5+ 5+ 34=55- 42+ 78=89+ 12+ 2=70+ 10X 7=54- 46- 2=8X 2+ 52=81 - 5X 2=72+ 8+ 3=3+ 3X 5=66 + 6X 7=30+ 6+ 26=35+ 21 + 23=2X 9X 8=120+ 5+ 6=120+ 3+ 8=69+ 12+ 46=14+ 11 - 25=180+ 10+

40、 3=76+ 21+ 3=22+ 71+ 26=8X 6+ 79=53+ 60- 85=50+ 5+ 72=65+ 7X 3=4X 24+ 4=70+ 7+ 10=91 - 12+ 34=4+ 8X 6=77+ 66- 49=60+ 93+ 42=65- 1 + 25=57+ 78+ 16=63- 16+ 16=70- 3+ 13=98+ 32+ 44=78+ 8X 7=9X 40+ 10=47- 11-21=87- 42+ 75=2X 5X 3=60+ 6+ 29=432+ 8+ 9=2X 5X 7=30+ 10X 9=51 + 37- 59=23+ 82+ 92=70+ 2+ 3=73-

41、38- 31 =6X 4- 19=58- 40+ 10=95+ 13+ 50=41 - 3X 4=82+ 64- 18=60- 11-40=2X 8X 3=34+ 40+ 4=5X 4X 7=76+ 92- 40=7X 4- 7=79+ 5X 2=28+ 4+ 83=96- 16+ 8=5X 30+ 3=23+ 53+ 34=97- 7- 66=75 + 7X 2=5X 63+ 9=61 - 20+ 57=90+ 9X 7=66 + 6X 7=63+ 91 + 20=96+ 59+ 16=92- 6X 2=120+ 5+ 6=8X 2X 7=67- 53+ 6=168+ 3+ 7=180 +

42、10-3 =98+ 32+ 44=21 - 3+ 6=13+ 8X 8=24 - 4-4=87- 42+ 75=60* 4* 5=42* 6- 4=16-2X 7=90+ 41 + 2=70* 10X 9=79- 38+ 40=3X 8X 8 =67- 4- 56=30* 10X 9=144* 6* 4=9X 5X 5 =105* 7* 3=40- 10+ 11 =8X 5- 14=19+ 6X 6=6* 3+ 39=58+ 20* 4=6X 8+ 3=5X 70- 10=53- 37- 4=63- 2X 4=40* 4- 5=4X 7X 7 =75 + 5X 3 =91 + 12* 4=90

43、* 9X 5=45+ 91 + 29=74- 8X 7 =74+ 31 - 16=30* 10+ 65=73 + 24 - 3 =76+21*3=6X 4+ 61 =75+ 24* 6=60 - 3 -5=79-9X 8 =80* 10- 4=23- 0- 18=46+ 91 + 80=9X 8X 4 =4+ 8X 6=27+ 91 - 42=71 - 9- 48=648* 9* 9=6* 6+ 77=83- 8- 9=4+4X 8 =90+ 18* 3=40* 5+ 82=89+ 93- 26=22+ 32+ 97=53- 17+ 46=77+ 79+ 57=58- 6- 8=4X 6- 1

44、1 =63+ 91 + 20=92- 24+ 67=20+ 21 * 7=42- 6X 2=8X2X 7 =96+ 31 - 97=12- 8+ 59=9X 9-61 =98+ 32+ 44=60* 4* 5=89- 16- 5=70- 3+ 13=87- 42+ 75=70* 10X 9=69- 56+ 39=47-11-21=97- 89+ 33=30* 10X 9=61 - 41 - 18=432 + 8-9 =91 + 85- 26=72* 8* 3=72* 6* 4=30 * 5+ 58 =90-81+2=50+ 2X 8=99+ 35+ 31 =108* 3*4 =96 2 X 4 =20* 5+ 37=20+ 46+ 62=8X 2X 7 =5X 6+ 82 =51 - 30+ 5=41 - 4X 7=98 - 39 + 47 =25* 5X 9=36+ 69- 16=32* 8X 8=113-5X 3 =80+ 5X 7=78- 80* 8=80* 5* 4=72- 8X 6=7