16.2×99+16.2
=16.2×99+16.2×1
=16.2×(99+1)
=16.2×100
=1620
望采纳,谢谢
16.2x99+16.2 提取共项16.2简算
=16.2×(99+1)
=16.2×100
=1620
验算见截图
16.2x99+16.2简算
=16.2×(99+1)
=16.2×100
=162
希望能帮到你。
简便计算过程如下
16.2×99+16.2
=16.2×99+16.2×1
=16.2×(99+1)
=16.2×100
=1620
望采纳