15.37*7.88-9..37*7.88+15.37*2.12-9.37*2.12简便计算
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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15.37*7.
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
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
=7.88*（15.37-9.37）+2.12*（15.37-9.37）
=7.88*6+2.12*6
=6*（7.88+2.12）
=6*10
=60
15.37*7.88-9..37*7.88+15.37*2.12-9.37*2.12
=7.88*（15.37-9.37）+2.12*（15.37-9.37）
=7.88*6+2.12*6
=6*（7.88+2.12）
=6*10
=60
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
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简算
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
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
15.37×7.8-9.37×7.8+15.84×2.2-9.84×2.2简便算
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7.8.9..
7.8.9.
7.8.9.
7.8.9.