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原式=6.54×1.2-1.87 =6.54x(1+0.2)-1.87 =6.54+6.54x0.2-1.87 =6.54+1.308-1.87 =7.848-1.87 =5.978
列竖式计算6.54Ⅹ1.2-1.87列竖式计算 6.54Ⅹ1.2-1.87 =7.848-1.87 =5.978
6.54×1.2-1.87的简便方法?计算过程如下:6.54×1.2-1.87 =6.54×(1+0.2)-1.87 =6.54×1+6.54×0.2-1.87 =6.54+1.308-1.87 =7.848-1.87 =7.878-1.87-0.03 =6.008-0.03 =5.978
6.54乘以1.2减1.87简算6.54×1.2-1.87 =7.848-1.87 =5.978
6.54×1.2-1.87简便方法计算过程如下:6.54×1.2-1.87 =6.54×1+6.54×0.2-1.87 =6.54+1.308-1.87 =7.848-1.87 =7.878-1.87-0.03 =6.008-0.03 =5.978 乘法运算性质:几个数的积乘一个数,可以让积里的任意一个因数乘这个数,再和其他数相乘。例如:(25×3 × 9)×4=25×4×3×9=...
6.54*1.2-1.87的简便运算6.54*1.2-1.87的简便运算 6.54*1.2-1.87 =7.848-1.87 =5.938 直接计算
6.54X1.2—1.87用简便方法计算?将1.2变换成(1+0.2)后去括号计算 6.54*1.2-1.87 =6.54*(1+0.2)-1.87 =6.54*1+6.54*0.2-1.87 =6.54+1.308 =7.848
6.54×1.2-1.87怎么简便计算过程如下:6.54×1.2-1.87 =6.54×1+6.54×0.2-1.87 =6.54+1.308-1.87 =7.848-1.87 =7.878-1.87-0.03 =6.008-0.03 =5.978
6.54×1.2-1.87怎么简便=6.54×1+6.54×0.2-1.87 =6.54+1.308-1.87 =7.848-1.87 =7.878-1.87-0.03 =6.008-0.03 =5.978 小数乘除法计算法则:1、小数的乘法计算法则:先按照整数乘法的计属算法则算出积,再看因数中共有几位小数,就从积的右边起数出几位,点上小数点;如果位数不够,就用"0...
6.54乘以一点二减一点八七的简便方法6.54*1.2-1.87 =13.08*0.6-1.87 =7.848-1.87 =7.87-0.022-1.87 =6-0.022 =5.978