Question

484×0.2+516÷5用简便运算怎么做

Answer 1

484×0.2+516÷5
=484×0.2+516×0.2
=0.2×（484+516）
=0.2×1000
=200

Answer 2

484×0.2+516÷5
=484×1/5+516÷5
=484÷5+516÷5
=(484+516)÷5
=1000÷5
=200
注:0.2=1/5，一个数除以一个分数等于乘以这个数的倒数。
希望对你有帮助。