作业帮14.37×7.88-9.37×7.38＋1.437×21.2-93.7×0.262
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/28 11:58:10
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14.37×7.88-9.37×7.38＋1.437×21.2-93.7×0.262
14.37×7.88-9.37×7.38＋1.437×21.2-93.7×0.262
14.37×7.88-9.37×7.38＋1.437×21.2-93.7×0.262
14.37×7.88-9.37×7.38＋1.437×21.2-93.7×0.262
=14.37×7.88-9.37×7.38＋14.37×2.12-9.37×2.62
=14.37×(7.88+2.12)-9.37×(7.38+2.62)
=14.37×10-9.37×10
=(14.37-93.7)×10
=5×10
=50
14.37×7.88-9.37×7.38＋1.437×21.2-93.7×0.262
14.37乘7.88—9.37乘7.38+1.437乘21.2—93.7乘0.262 急
15.37×7.88-9.37×7.38+1.537×21.2-93.7×0.262是简便计算
15.37*7.88-9.37*7.88+15.37*2.12-9.37*2.12简算
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= *=乘号要简便计算快
15.37*7.88-9.37*7.88-15.37*2.12+9.37*2.12的答案.要正确
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*7.88+15.37*2.12-9.37*2.12简便计算
6.2乘3.4+3.8乘1.9+3.8乘1.5（递等式巧算）15.37乘7.88-9.37乘7.38+1.537乘21.2-93.7乘0.262（递等式巧算）已知A=0.0000.（省略2000个0）0215,B=0.00000.（省略2004个0）08,求A乘B（思考题）
三道数学题 !急哇 !第一题：0.3+0.42+0.54+0.66+……+5.1第二题：2.22×9.9+6.66×6.7 第三题:15.37×7.88-9.37×7.88-15.37×2.12+9.37×2.12 求解答 明天要交上的啊 0w0 ...
选一个做吧【用简便方法做】1.15.37乘7.88减9.37乘7.88减15.37乘2.12加9.37乘2.122.80.35乘0.25加4.197乘2.5加0.2903乘25加0.0865乘25
下面这些题的答案是?12.3.704小数点后面第100位上的数字是（ ）.13.1993×199.2-1992×199.1=( ) 14.15.37×7.88-9.37×7.88-15.37×2.12+9.37×2.12=( ) 15.有甲、乙、丙三人,甲每分钟走50米,乙每分钟走40米,丙每分钟
5.63-8.8+14.37-1.2
用简便方法计算 9.37×15－9.37×6+9.37
7.38+2.56=?用竖式算
7.38×0.25怎么验算