Question

计算下列各题能简算的要简算5.5×17.3+6.7×5.5

计算下面各题，能简算的要简算．
5.5×17.3+6.7×5.5
2.16÷3.6÷0.5
7.5×0.38+5.25．

Answer 1

（1）5.5×17.3+6.7×5.5
=5.5×（17.3+6.7）
=5.5×20
=110

（2）2.16÷3.6÷0.5
=2.16÷（3.6×0.5）
=2.16÷1.8
=1.2

（3）7.5×0.38+5.25
=2.85+5.25
=8.1