0.78×201的简便运算 8.5×10.1简便 1.96×0.25-0.25×0.96

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 18:37:41
0.78×201的简便运算 8.5×10.1简便 1.96×0.25-0.25×0.96
x)338<b+XnhgU0Գ4;<@TDf6IE_`gCwXټ :nl5@|5 5!05 D s$~0WfTP*b cBf[_B$,l$فB j3j

0.78×201的简便运算 8.5×10.1简便 1.96×0.25-0.25×0.96
0.78×201的简便运算 8.5×10.1简便 1.96×0.25-0.25×0.96

0.78×201的简便运算 8.5×10.1简便 1.96×0.25-0.25×0.96
解析,
0.78×201
=(0.78)×(200+1)
=0.78×200+0.78
=156.78.

8.5×10.1
=8.5×(10+0.1)
=8.5×10+0.85
=85.85

1.96×0.25-0.25×0.96
=0.25×(1.96-0.96)
=0.25×1
=0.25