摘要：7+3= 3+7= 8+1= 1+8= 8+2= 0+10= 2+8= 9+1= 1+9= 10+0= 4-3= 5-1= 5-2= 5-3= 5-4= 6-1= 6-2= 6-3= 6-4= 6-5=
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| 10-2.65= | 0.9×0.08= | 528-349= | 6+14.4= | ||||||||||
| 24÷0.04= | 12.34-2.3= | 0÷3.8= | 7÷1.4= | ||||||||||
| 7.2÷8×4= | 67.5+0.25= | 1.9×4×0.5= | 0.77+0.33= | ||||||||||
| 400÷125÷8= | 5-1.4-1.6= | 2
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| 187.7×11-187.7= | 10
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3.2×7÷3.2×7= | 6
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| 80×0.125= | （
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1-
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| 6.8-1.36-0.64 | 21.9+（15.7+18.1） | （2.5×73）×0.4 | ★9×（7000÷63） |
| 5.6×1.25 | ★11.1÷0.25 | 457÷25÷4 | 2.6+7.7+7.4+3.3 |
| 0.2×1.8×0.5×10 | ★21÷1.25 | ★（8700+870+87）÷87 | 5.3×4.9+5×5.3． |
| 10×2= | 72-47= | 20×5= | 27+15= | 20÷2= |
| 63÷3= | 27×5= | 510÷3= | 40×9= | 23×30= |
| 84÷4= | 15÷3= | 12×4= | 513×9= | 4×815= |
| 99÷9= | 75÷5= | 205÷5= | 46×10= | 24×20= |
| 872-124= | 27+127= | 700÷5= | 350+70= | 591÷3= |
| 8×122= | 178÷2= | 30×80= | 800÷8= | 265+85= |
| 110×35= | 901÷3= | 0÷245= | 0×245= | 0+245= |
| 245÷5= | 3000-300= | 605÷5= | 50×50= | 306÷3= |
| 702-199= | 480÷3= | 120×80= | 27×8= | 62×15= |
| 860÷4= | 19×5= | 40×20= | 520-430= | 51×17= |
| 15×61= | 87÷3= | 91×31= | 80÷10= | 465÷5= |
| 870÷8= | 400×20= | 210÷7= | 4500÷9= | 5×80= |
| 300×30= | 88+112= | 380÷7= | 36×8= | 86×7= |
| 27×90= | 33÷3= | 880÷8= | 480÷8= | 22×22= |
| 16×50= | 19×39= | 270÷30= | 92×7= | 38×60= |
| 14×4= | 130×4= | 810÷3= | 72-24= | 16×4= |
 = |  = |  = |  = |  = |
 = |  = |  = | 8×7+6= | 6×7+6= |
| 36÷3÷2= | 5×5+4= | 50-24÷4= | 9+9÷9= | 800-800÷4= |
| 8×9-7= | 72-72÷6= | 8+2×10= | 90-30÷3= | 6×80-20= |
| 12×3÷3= | 5×8-8= | 57×3×0= | 86-86÷2= | 8×2×7= |
| 24+15+6= | 18÷3-4= | 50×6+0= | 45+55÷5= | 70×（40-32）= |
| 300÷2÷5= | 960÷4÷2= | 51-4×6÷3= | 3000-6×408= | 500-412÷4= |
| （400-394）×706= | 1+2+3+4+5+6+7+8+9+10= | 1+11+111+1111+1111= | 1+12+123+1234+12345= | 10000-1000-100-10-1= |
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