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求作业答案:计算下面各题。(能简
计算下面各题。(能简算的要简算)7.34+2.85+2.35×1.612.57-4.464÷0.93-5.219.5×2.64-9.5×2.645.32×10.1+3.6...
计算下面各题。(能简算的要简算) 7.34+2.85+2.35×1.6 12.57-4.464÷0.93-5.2 19.5×2.64-9.5×2.64 5.32×10.1+3.6×0.5
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7.34+2.85+2.35×1.6 =7.34+2.85+3.76 =7.34+3.76+2.85 =11.1+2.85 =13.95 | 12.57-4.464÷0.93-5.2 =12.57-4.8-5.2 =7.77-5.2 =2.57 |
19.5×2.64-9.5×2.64 =2.64×(19.5-9.5) =2.64×10 =26.4 | 5.32×10.1+3.6×0.5 =5.32×10+5.32×0.1+1.8 =53.2+0.532+1.8 =55.532 |
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