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1、Part1: 口算8.76 X0.5=5+2.5=4.75-0.98=0.54+3.27=7.47+2.86=37.35+6.97=3.6 X 5.9=8.4+12=10.3-8.7=3.4+5.9=X4.5-15.7 X0.14Part2: 脱式计算0.32 X99+25X 0.078.76(13.6-4.17 ) +2.515.32X 4+4.68+ 0.25Part3: 解方程4X 4.5-3 x =6.365.1x-3.5 x = 0.8X -12.5=884Part1: 口算0.5 x-0.2 x = 156+ 30= x + 0.50.37 X4=7.49+12.816.2+40=
2、15.32-13.61.20.68+3.75 =21.5+6.80.6 X69.3 =310+50 =22.7-6.58Part2: 脱式计算(58.4+15.6 ) X 2.3168-3.7620+7.380.8 义(5-0.68 ) +1.22.5X3.2 X12.5Part3: 解方程X + 1.36 = 5.40.75Part1: 口算169+13=10.3-1.428X6.34=1.57+7.46Part2: 脱式计算3.9+ (10-0.6) +890 X2.14 =3.57+4.64=156 三10.8-5.13=135+30=4.96+2.259.56X 4.25+0.25 X
3、4.440=0.27 X 1.9-0.8348X2.7-1.8 X 15Part3: 解方程1.25-3 x =0.51.4+4 x 3.5 x(x -0.4 % ) + 1.4 =3.34X-0.4 =8.4Parti: 口算1211.1-+-+ -2 33435+ =1+ = 7 -5 =-3 =12 612 87Part2:脱式计算4113515108 -( 2+1)+ +2+ + +2 1959 59 9317( 口5 )202012Part3:解方程+ +3= 3x- 5 374128512X- 6=1Part1: 口算11_10201 12 51 73 32 15 1012 144
4、 5524 26157 51-1 = 1- = 1 -=5245Part2:脱式计算4+ + = 15 23+ =3 2+ =9 115 57 65+ -5 5276 85 1312 15+ -2=3173Part3:解方程二4522Q + 6 X =28 55Part1: 口算11,471-5_I _I一2129869Part2:脱式计算51583124+(-3)3 +11 -( - 4 1-( + )8211212 2994Part3:解方程1 - 65 =6X26- 7 一一, 1- 3+X712X -(7 )=516247245 + 1=2 x 30 =+ =1661556Part1:
5、 口算3x5=3_ + 3=4 610 5X X14=9-2+8=519X 7-8 一1 - 44- 512 5- 6 /VX1 2 5- 610.8 + 0.9= 1.5 X0.25=0.5 X 3.2=Part2:脱式计算(5+ +1 3 ) X 72129 8+ = 2 15 6+0.4= 38Part2:脱式计算2 1117925Part3:解万程21145 % 6 x =152.5x +3.6=9.6113,= 12 +4=3.5 + x5Part1: 口算X8=6.3+0.07=2.8 +0.25=2.75+1 = 1 3 +10.2= 557 0.125451-0.1 =-113
6、6-一-Part2:脱式计算9 + 1=12+ 2= X 4.25+4 1 X14 X6+ 1+557548X( 5 +3 ) 667123 17 X6%646v = 10212X + 1 X =42 32Part3:解方程2 x +2.7=24.7 119, X = 53Part1: 口算305-199=6.7+4.3=0.3+0.38+0.02=2.05 X4=3 + 1=4 611X( + ) X 7X 101-9 - 25560+16+ 5Part3:解方程5 6-X+4 9X -凯254x - =28.45Part1: 口算3.2-2.7=0.125+ =7 0.75-=8-0.54
7、232 X0.5=55 X 1.2=3 X殳2 -5=十 二=25 -=3368219189648Part2:脱式计算5137一2 7Z244 51- 13 4 -*6X3 84 + 7+ 6 X 41171122 x 305 615Part3:解万程X- =1012+14=x + 3.54.221.6+ x =1.2-0.4X +3.14=3Part1: 口算10-0.76=4.8X 3=40.6+ =0.4- =1+ 二 41 二- 1=7323Part2:脱式计算24 X ( 34- 5) 26,3(+ - )1 +0.2=33 +0.125=54581651 _-3=956371-44
8、T57+368X 3.5-40.8 S242X- 3 x-5=18Part3:解万程3 -x =0.150.1810.4 x + 5_ 7X =302 + 1.2=0.8 -x5Part1: 口算0.68 X50=18.84+1.5=8.3-3.4=3.9X0.3=8.6 X8=+2一 31一51亍 +2一 5 =3牙 =2一3X3 4Part2:脱式计算c 654.3 + 6 +7.7 x5(736+16+37 ) X18124+5127- 8+5 6Part3:解万程3144 x+ 6 X=663=0.75+1.8=0.126.4X+1.5Part1:口算0.25 X 104=736+37
9、=0.7X 68.3=5.4-3.9=0.24X 5=22+1.2=_511=32=89Part2:脱式计算( 1+5 -( 5 - 15)X 7X 185167-81- 4 3-5 (.5-7 3-4Part3:解万程31_15 - 5 x =103.2X-2 x=189x +13.5=16.2“1 =20 20.8Parti: 口算14+ 35=0.77+0.33=3.14X4=10.3+=6 22.3-19.5=3 .16412-+ =+ = 一 丁 =一一xH=4. .1-X 4+4 X -=55Part2:脱式计算2+0.45 -0.9-0.75(9.7-2.15-4.85)4375
10、25+ 0.9348538+6.4 x32Part3:解方程3x + 3.5= 3+0.3(_910+ 3)=2 x+0.17756-2 56)7-944-2.X4.-5X1434Parti: 口算3X0.64=7+1.4=18+ 360=2.1+ = 3 8 -2.5=455z 115 X2112 511251X2=81+9=-=234Part2:脱式计算/ 1( +14)5( + - )10.26-3.78+0.65X 14-720Part3:解方程(3.7+2.8) x- =12.75(12).4)x +0.25= x - 370X(X-1.2)-0.72=0.3x+湍Parti: 口算
11、4.32-1.74=3.65+0.47=0.456X 备4X3=5Part2:脱式计算-1 一 一56 71-27+81 X 0.875137X25.2=2X3125=(11.17-(1 3X5+1 4 ><4)+1.75125 -(11135+30=64.1-35.3=高X50=,看X 66-18.5 X8) +3.7-4 J2.25- 4) 20Part3:解方程1612+( x+ )=1.243 _75 X- 8 %=2_ 08 =4.5X = 42Parti: 口算4.7-3.72=6.57+13.6=2.39-1.4=9.2-4.47=62.4+37.92=+ =2 2+
12、3=1124841153Part2:脱式计算2 I1 3X2 -10-1227 X3Part3:解方程4 54+2x =x-3x3x- 2x =1Parti:口算6.4-3.65=3.5+12.75=24.3-12.58=34.26+78.924-0.15=110310 -5+3=Part2:脱式计算2+31-3154+X2 32-51=40-31- 1-3O-dX125Part3:解方程2( x+ )=3 x-511_ 14 x- 6 x = 3x+4 =8-1 3 *3373"=-=548490 X 1 + 1 x =200.262人Parti: 口算249+49=312.4-1
13、1.48=426.1-42.49=461-414.1=240.15-48.1 =4x5=+ =4 1 - =52789697Part2:脱式计算4 4 - 16+31 X 215-37272 9-X2+11210_ 2行 - x = 3X +2172=4.251 x + 2 X=121X-(1 + )=4.5Parti: 口算42.15+3.48=34.45+349.5=84.26+24.66=94+32.8=15.15-9.2=25 =-71125511738- =+ =76 + =39Part2:脱式计算1+12+ 191 x(3 5+嚼(2-35*15)+(4卷+哈17 + (1 3 x
14、 4+ Z+11)3 +- X (1 7- )-2518( 47155)3248(1 9 ) 2“9Part3:解方程12(x + ) X 7=8.137.5+ +X =69X -1- X =23.6=1,Part1: 口算16.43+8.48=292.4-72.56=245+28.1=10.01-5.4=183+873=731153V -L -_84+8698Part2:脱式计算1128 x24L15(1 +6 +2 +3)39-( +)19di-12 93 +4- 71X2 52 +1+ 3.8 义 3 乡3.55Part3:解万程x- io =5256 X-2_ 13 %= 123.37
15、 x + 4 X =11Part1: 口算415458156.4+87.82=25.42-12.8=21.1-9.42=63.1-4.2=46.5+63.9=1- 23一巧 +X6- 71 一8+5 95 83 一 43-5+2 7Part2:脱式计算(1 袅 X42+5 5+务 i1525-6 )吉 +(2界2) X7X3.9 X2.1 +(3.5 X2.5 X 0.39)1-(4 -1.25X2) +3.51.253Part3:解方程2 % + =4.625-2= =-311X= 16+21.5=63.75+62.5=47.16-24.8=Part1: 口算9.82+4.5=241-34.
16、1=45.6-42.26=31_5,2_24 + 6- = 7 + 9=5x4 =0.25Part2:脱式计算3.6 X 2.1+3.5 X2.410.5 X7.2(7.8x*-4。Y11313r886 159 x0.25+0.62535 x25 2+37.9 x65Part3:解方程6 x- 7x=0.2232453841_ _ 1_15211 X 3+2.75x =6 393x =55X17333Parti: 口算10.58-5.8=456.4+369.45=434+147=34.15-23.5=482.4-64.23=5163+ =-6575Part2:脱式计算383 3 X 7.9+7
17、9 X 61 5484 + 4 =7 x 条 + =3 2279914576.8X 25+0.32 X 42-8- 2541 33+51 1 X 4 +61 4451 X556(5 -0.8+2 ) 9X (7.6 + 4 +25X 1.25)Part3:解方程二公3 - a31_ 15.6 % - 5 X =4.85 X - 4 X = 21312.4-1 =3.2- x1 -2Part1: 口算37.78+3.65=482.4-39.8=24.15-8.3=341.92+74.2=357+159.2=3 乂5 -=491-6+5-62-73-41 - 9 1=7Part2:脱式计算0.00
18、325 +0.013(9 +7 )2- 72一9+5- 75一9(0.22-0.2065) +(3.6 X0.015)29(4 3+0.75) X3 13-34 2210.1+ 5+7 8 +1.2518.25-5 1 X 3 -25Part3:解方程。3 _ 183X - 4 X = 19(1-)51100 %45425x=0.84( +X尸7 5Part1: 口算167-88=35.4+0.5=42.3X 0.4=87.5+23.61=54.5-4.26=1-25 7134 55=7-3 8-8-94一7-7 9+71216.8X (2.4+ )1+1.12-13Part2:脱式计算111
19、 V o( 30 35 ) 638.4 X (1.2+3 )1 +3.4- 218X 1.375+215 * X35L 5=30Part3:解方程4 一, 一 25 X 71.626 .133 X 354525八、 1 八X +3) X 2 =48Parti: 口算201.4-24.51=463.1-82.4=137.8+4.4=134.2-54.89=15.8+348=3411258工-1. 一21 一- =+ =- -=105153+ =11+ =1J+ =_+=_5634Part2:脱式计算24.8+(3 -2.5)X2患 +10+311381 +2 -(2 江87州3144 +(2 会
20、 1993 乂和 X132 3-(8.5-2 ) 2 +3.5 X714532Part3:解方程18376= =2二一二丫 = 257 % 2535(13-x)x =63X +1 =2Parti: 口算45X+1.3 x=25133-54.2=34.8+46.62=534.68-26.8=45.15+39.8=8.64+37.6=73 _ 31-=- = -10554+ 5=1+ =33637417>4Part2:脱式计算1卡+2 £ 22 X(1.7+1 5 X0.162-(5.55X 1.4-2.7 +0.4) +0.1350.625 X(1 务3 )+( +13-526.
21、536658X3 -(8.3-7 )+372 +23 +114Part3:解方程1x+(3x-16)+ 1=10( x+1)7(6.5+X )=87.50.1( x +6)=3.3 X0.4Parti: 口算19.2-4.82=14.1+ 0.2=165.4+37.56=3.25+48.5=154.3-64.12=511713Part2:脱式计算(11 -35 +3.6l225口+2型11329111X11 +7+ 1135xg(+41.5x5)+2 28o.83+黑+07125-3168Part3:解方程2X +13+ +1X =2+2X +12x -3 X2.54Parti: 口算54.7
22、-3.9=46.1-45.61 =81.37+23.9=93.18+82.55=56.1-34.51 =2+ i+ =151153+ 5=Part2:脱式计算0.314 +15.7+(3-1.47)x6 3+ 102.2 X(5 一 一50.375)1 +0.25 X2 245(0.873 X 27+0.127 x27)X5 224X ( 30.25+Part3:解方程X -0.95 X 4=8.5X +4 =5FX -30.50.70.17-0102 x0.0310/+30X +2Parti: 口算Part1: 口算3.58+6.8=184.4-65.7=36.6+14.84=20.36-1
23、8.5=37.8+69.32=_51363,11 7+111217 x 4=Part2:脱式计算( 4 110 +2)X 13+1F(iX13)X 0.6253.28-211表-5112119 + 0.8+1 11x14Part3:解方程+ +4= 03+i =2/+16X +543x-124X6-15=1+22x-3615.06-8.9=34.8+66.91=498.7-49.26=69.4+24.16=0.2X 45.5=2 73 51-2730 +5 8 1-816 4/VX1-3-1 6一一 13 4=711540.39 + 2=Part2:脱式计算5-3 7 +(15+2.25 X
24、3)建21(3 5-1.5+4 ” X120( +1Part3:解方程+ X =3+x +3102x-534135 X(x+10)= 5 X(5x-6)0.75+3 x=6JJ41+985+458=12.4-9.47=30.1Part1: 口算+ 0.2=64.65+426.9=132.59-85.8=#412941-= 1562.4x 5 -X*194 2 + = 舄=83516124315 103 9534 16810516Part2:脱式计算4153431.25 X3 4-1 的.2X 573 X 5.2+15.2+2 4 X 73544555(16.25-13 )1 +中X3 24x7
25、Part3:解方程9大+”11+8 3 %=518:0.2= x : 11.2:x =5:1.54Part1: 口算0.3 X51.9=16.84+924.3=751.7-46.82=45.9+3.21 =46.42-38.5=+X 0.32=29410210Part2:脱式计算314 X (2.5- )1+0.2545 + 丸4 x(1- 33.56 X2 3-1.56 X2 3-2 32.4777+ 4-9.6义 2+6 4 x"Part3:解方程X + 5=240x - 5 X =1.23 :2.5=6: x12:1.4=3x :3.55Part1: 口算121.4-25.74
26、=319.6+62.43=34.11-17.7=37.45+24.18=41.7+ 3=8_11+ 4=9 =13+ 0.4=13 _1 -25Part2:脱式计算1 2 X7 和4.625-3)4 32 X52- 4 +0.35111132214141A10410132+(11.7-8.4X1 ) +1”33 4-1 3 F八八1X -0.45=6 4Part3:解方程6.4:2 x =12:1.5_ 33 4(0.83+x )=1.44(X -5.6)=1 534.29-24.5=292.4-74.6=6.66+54.8=Part1: 口算24.2 + 0.4=56.8+54.62=548
27、73 -06=L27 ' 0.6=- =59Part2:脱式计算55+ 2)21X +0.32 X - X12+ X0.3211215 X(10-3 3Part3:解方程45X( %-83)=36( x -75)48X (34-2 x )=56( x +2)24 X (2 x-63)=18 X( % +16)6.3x(1.8+ x )=8.4 x(1.6- x)Part1: 口算74.9+34.81=0.04 X24=68.2-16.52=34.16-16.5=46.5+3.69=115-=181215 X11=22 251175 _上一 2124 ' 12-=9684 +14
28、+16 X -(1-)3 x 54 * 7 -516Part2:脱式计算(0.5+ -5 ) 1 + 70.25+(0.3 + 2) X0.6Part3:解方程1 91 4xi-=172 X ( X +6.3)=2 703 +(1.2- /)= 3049.01-11.4=Parti: 口算0.5 X5.48=13.35-4.68=248.2+32.48=21.45-14.8=5 .4.31 =9491173115Part2:脱式计算0.6- 1 +0.3X5+0.5+9561115、,工28 * 1(=12 _ 413 丁 3了3 - 410 , 73-525+ 0.4-0.1255 一 2
29、一。8+3)X0.4Part3:解万程1 一 6 3二4X1- 6+8 9i14 x+0.1=6 2( + 、/31 3(x +9.3)+ 3.9=23578Parti: 口算76.84+32.4=290.2-54.32=23.58-19.8=63.3+ 0.6=24.7+54.63=+191- 43.20 X9 +0.4=Part2:脱式计算多 2"9X21-134817io ' ioX (0.4+0.7)414 X(0.1 +4)+0.5172 .1189 = X =1183 x(x+5.1)=3 1903、_4)=415Part3:解方程10 +5_ 519 + 8 %
30、 = 843.15-34.6=94.8+45.62=+ =34_51118524182?Part1: 口算0.3+0.3 2=10.8+0.9=9-25 +04310Part2:脱式计算1 +0.9+0.9- 2 857 x(o.5-o.i -)0.25X (0.411331010134510Part3:解方程5(x+4)+6=12(x+1)-72x-1 2c32X +1 -14- =939Parti: 口算2.8 +0.25=19.68+34.2=152.14-3.54=51.15-31.5=15.6X0.7=-X -X14=-14=173A14156Part2:脱式计算2 0.4-1+28
31、 103145 . 5- 6 * (+ 3 6 X30=x 1 +0.624X( ><5)Part3:解万程2( x+1) + 3=24+36x-1 尸 g x+1)4- 5x +0.8=15360Parti: 口算18.95-6.76=8.64X 3=132.7-29.61=16.68-0.4=39.29+16.37=1- 6X3-w+7-101- 9+5- 657.2- 3X6- 73- 5焉Ai6/(XPart2:脱式计算a x m +0.4+0.7650.53_10113655751863+x ( x 0.9)x ( x 0.6-)Part3:解万程12 x: 5=48:
32、20(X+1): 10=( X-1): 5(X +0.9) X0.7= 56X+125=Part1: 口算46.15-32.5=56+24.15=745.5+64.85=94.2-4.42=54.56+87.8=713=6+X113§64 +6 =( + ) 15270 7=+ =24Part2:脱式计算i i+ 2 +0.1+0.31i12 +0.9*4 96X0.6 X (0.125+Part3:解方程(3 拿75)+1 5+2 g15-39.3 X27(3 x+1): ( x+1)=2:1(4x+3): 5= x: 1X7- 8L-16193214一4
33、9X 3一78 一49Parti:口算128.4-76.54=34.5+87.15=15.2+ 50=184.25-64.5=58.4+64.76=4 弋 7 -5=+=6. . 7=1+ 3X3=348 X 2=Part2:脱式计算4 173 X27+4 2 X417+6 4x417312+ 16+32 X7Part3:解方程11 +19X 尚 x=1Parti: 口算2.75+19.3=0.9X 18.5=19.4-6.54=32.8+56.42=631-67.9=3X4=25943739 + 苗 56 x 存 + = 9 8 - =3.6 万 7Part2:脱式计算3.14 X 4酒.1
34、4 X 25-0.3143322二 11533222132222 + X (3 - +2 34)1111( 555)_ 251X(2- 5 X 5) +0.1252 2 X( + )+0.82.4=0.8X- =0.251338 %*2 =0.4L =2.3-1Parti: 口算44.9+58.8=54.3-27.3=0.8+ 327=30.1-1.44=112-97.5=4-Z X 0.45=5x5+=53X8- =1- =5249369Part2:脱式计算(0.3- )20X1 1 +0.125211313.一一 一23518(4+7+X6- 2 576526+450+ 18X 10121
35、27 X( x-5.1)=14 X ( X +2.2)=2 1527 8一一X13 514 9=X 45 /VX3 8Parti: 口算49.8+26.82=71.3-58.62=491-346=72.18+ 9=48.5+75.81 =7X45+=45一一6 5-6X132)01+2/VX10一216- 7Part2:脱式计算J6+1 - 24X218(0.6 X 畀 2+0.5 X 1.2) +134+K 5 )1 +R36x( 17+ - 5 4Part3:解万程103 .=1316%92212 i21430 丁 37x =0.250.375+261135、一行Part1: 口算28.2+575=60.5-8.38=80X2.14=530-80.4=53.94+65.5=5 义 18-14 义 7= W*2 3+1一6+2-3X3-1415+16X12+1119 -22+Part2:脱式计算27.2 X0.85 X4.239X3 +420.84 X3.4 X5.4( 1 - 1) x 4
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