Question

用你喜欢的方法计算．0.11×1.8+8.2×0.11 &n...

用你喜欢的方法计算．0.11×1.8+8.2×0.11 25×10.1 （4.8-4.8×0.5）÷2．

Answer 1

①0.11×1.8+8.2×0.11
=0.11×（1.8+8.2）
=0.11×10
=11

②25×10.1
=25×（10+0.1）
=250+2.5
=252.5

③（4.8-4.8×0.5）÷2．
=（4.8-2.4）÷2
=2.4÷2
=1.2