15.37*7.88-9.37*7.88+15.37*2.12-9.37*2.12简算
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15.37*7.88-9.37*7.88+15.37*2.12-9.37*2.12简算
![15.37*7.88-9.37*7.88+15.37*2.12-9.37*2.12简算](/uploads/image/z/4138296-24-6.jpg?t=15.37%2A7.88-9.37%2A7.88%2B15.37%2A2.12-9.37%2A2.12%E7%AE%80%E7%AE%97)
原式=15.37*(7.88+2.12)-9.37*(7.88+2.12)
=(15.37-9.37)*10
=6*10
=60
=(15.37-9.37)*10
=6*10
=60
15.37*7.88-9.37*7.88+15.37*2.12-9.37*2.12简算
15.37*7.88-9.37*7.88-15.37*2.12+9.37*2.12的答案.
37*7.88-9.37*7.88+15.37*2.12-9.37*2.12 简便方法
15.37×7.88-9.37×7.88+15.37×2.12-9.37×2.12的简便计算
15.37*7.88-9.37*7.88-15.37*2.12+9.37*2.12= *=乘号
15.37*7.88-9..37*7.88+15.37*2.12-9.37*2.12简便计算
15.37×7.88-9.37×7.38+1.537×21.2-93.7×0.262
简算:15.37*7.98-9.37*7.98+15.37*2.11-0.937*21.1
简算:15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
15.37*7.89-9.37*7.89+15.37*2.11-9.37*2.11怎样简算?
15.37×7.8-9.37×7.8+15.84×2.2-9.84×2.2简便算
14.37×7.88-9.37×7.38+1.437×21.2-93.7×0.262