48*2.7+16*1.9简算
问题描述:
48*2.7+16*1.9简算
答
48×2.7+16×1.9
=(48÷3)×(2.7×3)+16×1.9
=16×8.1+16×1.9
=16×(8.1+1.9)
=16×10
=160
验算:48×2.7+16×1.9
=129.6+30.4
=160