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1、54 X 63 =25X38 =370+ 5=774+ 8 =508+2 =36X19 =19X47=900+ 5=23X 34 =392+ 4=360x 5=809+ 8 =203+9 =63X36 =26X38=770+ 5=696+2 =882+ 4=32X68=56X79 =64 X 28 =820+ 3=630+ 6=18X26 =4 +0.6=7.3-2.9=10- 0.7=8.2-5=6.5+4.7=1.2-0.3=4.6+2.4=3.8+6.6=14X 53 =15X48 =470+ 5=736+ 8 =548+2 =36X24 =26X57=420+ 5 =54 X 34 =

2、340+ 4=340x 5=408+ 8 =406+9 =52X36 =24X42 =440+ 5=626+2 =212+ 4=31X68=76X79 =64 X 45 =420+ 3 =606+ 6=48X26=12+0.6=4.3 1.9=10-0.8=5.2-4.5=5.5+2.7=8.2-4.3=4.6+5.4=3.7+6.6=54 X 43 =45X38 =270+ 5=336+ 8 =508+4 =26X29 =25X25 =965+ 5 =73X 24 =824+ 4=360x 5=808+ 8 =406+9 =55X26 =84x 14=245+ 5=586+2 =852+ 4

3、=32X38=12X79 =64 x 18 =420+ 3=540+ 6=24X26 =2+0.7=5.3-2.4=10- 0.8=4.2-5=5.5+8.7=1.4-0.7=5+2.4=6.8+6.6=54 X 63 =25X38 =370+ 5=774+ 8 =508+2 =36X19 =19X47=900+ 5=23X 34 =392+ 4=360x 5=809+ 8 =203+9 =63X36 =26X38=770+ 5=696+6 =888+ 8=35X28=25X19 =52X38 =630+ 3=246+ 6=45X22 =3.4 +0.6=7.7-5.9=8.3 -0.7=5.

4、6-4.5=8.4+4.8=5.2-0.8=2.6+7.5=7.2+7.3=58X 67 =52X45 =690+ 5=576+ 8 =288+2 =21X63 =25X85=855+ 5=43X 34 =584+ 4=560x 6=808+ 8 =207+9 =52X45 =55x 15=250+ 5=586+2 =662+ 4=56X25=21X19 =55X 48 =420+ 3=564+ 6=58X16 =5.1 +0.6=25-2.9=51-0.7=50.4-5.1 =4.5+4.7=4.2-0.8=4.5+2.8=4.8+4.5=58X 23 =15X54 =650+ 5=456+

5、 8 =504+2 =22X21 =25X 17=500+ 5=45X 14 =964+ 4 =112x 5 =456+ 8 =522+9 =24X54 =36X85=520+ 5=585+5 =246+ 3=58X48=28X19=54 X 38 =648+ 3=852+ 6=52X31 =5.8 +0.6=6.4+3.7=77.89.2-8.3=-2.9=5.6+7.4=5-0.7=8.8+6.6=4.2-3.1：=55X 16 =35X58 =440+ 5=664+ 8 =348+2 =74X29 =84X 14=855+ 5=45X 36 =585+ 9 =250x 5 =144+ 8

6、 =204+4 =62X42 =78x 12=425+ 5=546+2 =452+ 4=47X28=45X19 =58X 54 =582+ 3=588+ 6=25X34 =8+0.6=5.5+4.7=1.35.2-4.3=-0.9=8.6+2.8=78-0.7=4.8+8.6=4.2-0.4=54 X 63 =57X48 =450+ 5=272+ 8 =504+2 =38X19 =24X 17=850+ 5=13X 24 =852+ 4 =160x 5 =408+ 8 =549+9 =42X46 =16x 11 =370+ 5=626+2 =884+ 4=52x 18=54X24=54 X 2

7、4 =246+ 3=54+ 6=27X16=5.5 +0.6=6.5-2.9=6.8 -4.9=5.2-4.1=4.5+4.7=6.2-0.3=5.6+2.4=7.8+4.5=52 X 13 =84X28 =470+ 5=656+ 8 =524+4 =28X45 =28X54=504+ 3=43X 34 =576+ 8 =213x 5 =252+ 7 =207+9 =23X16 =34X28=540+ 5=256+2 =184+ 4=38x 18=25X19=57X 18 =123+ 3=540+ 6=28X26 =4.8+ 0.6=7.4-2.9=14- 0.7=2.2-1.5=8.5+4.

8、7=8.2-0.3=4.6+4.4=8.8+6.6=44 X 64 =13X38 =490+ 5=584+ 8 =525+5 =45X29 =59X47=560+ 5=13X 56 =462+ 6 =540X4 =992+ 8 =203+7 =45X16 =51x 18=570+ 5=554+2 =640+ 4=51X64=21X19 =24 X 28 =820+ 4=630+ 6=45X36 =7.4 + 0.6=5.3-2.5=1-0.7=4.2-3.5=7.5+6.7=5.2-0.3=4.8+4.4=8.8+4.6=25X 33 =15X28 =150+ 5=355+ 5 =455+7

9、=84X64 =12X 17=465+ 5=54 X 45 =399+ 3 =260x 5 =805+ 7 =244+4 =54X21 =45X84=660+ 5=684+2 =452+ 4=46X68=64X19 =52 X 18 =420+ 3=444+ 4=25X46 =2.8+ 0.4=8.3-7.7=4.2 -0.7=4.2-3.8=1.5+2.6=8.2-0.7=3.6+1.4=4.8+7.5=54 X 24 =15X18 =540+ 5=544+ 8 =548+2 =25X19 =24X47=355+ 5=14X 14 =256+ 4 =540X 5 =453+ 3=261 + 9 =5

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