搜搜考试网（0.8×19.85×0.125+0.075×0.125÷0.625）×100-37.5×0.4
来源：学生作业帮 编辑：搜搜考试网作业帮 分类：数学作业 时间：2024/08/19 18:04:33
（0.8×19.85×0.125+0.075×0.125÷0.625）×100-37.5×0.4
（0.8×19.85×0.125+0.075×0.125÷0.625）×100-37.5×0.4
=0.8×19.85×0.125×100+0.075×0.125÷0.625×100-37.5×0.4
=8×19.85×1.25+7.5×0.125÷（5/8）-37.5×0.4
=10×19.85+7.5×0.125×1.6-37.5×4×0.1
=198.5+（7.5×4）×（0.125×0.4）-150×0.1
=198.5+30×0.05-15
=198.5+15-15
=198.5
=0.8×19.85×0.125×100+0.075×0.125÷0.625×100-37.5×0.4
=8×19.85×1.25+7.5×0.125÷（5/8）-37.5×0.4
=10×19.85+7.5×0.125×1.6-37.5×4×0.1
=198.5+（7.5×4）×（0.125×0.4）-150×0.1
=198.5+30×0.05-15
=198.5+15-15
=198.5
（0.8×19.85×0.125+0.075×0.125÷0.625）×100-37.5×0.4
(0.8*19.85*0.125+0.075*0.125/0.625)*100-37.5*4用简便方法算
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把 0.8 0.43 0.04 0.075 0.36 0.125 0.875 化成分数是?
18-1.8÷0.125÷0.8怎么简便运算
(0.25-x)/0.125=0.625