Question

点5×4.12×0点八的简便算式是什么

Answer 1

点5×4.12×0点八的简便算式是：
0.5×4.12×0.8
=0.5×0.8×4.12
=0.4×4.12
=1.648

Answer 2

简便运算
0.5×4.12×0.8
可以先用0.5×0.8=0.4，再用0.4×4.12=1.648
所以0.5×4.12×0.8=1.648
先将小数看成整数计算，得数由小数位数确定小数点位置

Answer 3

5×4.12×0点八的简便算式是: 0.5×4.12×0.8 =0.5×0.8×4.12 =0.4×4.12 =1.648

Answer 4

点5前面漏掉了个0吧，应该是0.5。简便算式如下：0.5×4.12×0.8=0.5×0.8×4.12=0.4×4.12=1.648

Answer 5

0.5×4.12×0.8
=0.5×0.8×4.12
=0.4×4.12
=1.648