Question

简便计算的题 五年级下册 一.15.58÷8.2-0.72 二.4.5×1.2-3.15÷15

好的追加分哦~

Answer 1

=(16.4-0.82)÷8.2-0.72=2-0.1-0.72=1.18

Answer 2

15.58除以8.2减0.72
=15.58÷8.2-0.72
=1.9-0.72
=1.18
4.5陈以1.2减3.15除以15的
=4.5÷1.2-3.15÷15
=15/4-
61/300
=(75*15-
61)/300
=266/75