4.5*80％+80％*5.4+0.08 简便计算
问题描述：
4.5*80％+80％*5.4+0.08 简便计算
答
原式=(4.5+5.4)*80%+0.08=9.9*80%+0.08=（10-0.1）*80%+0.08=8-0.08+0.08=8
答
你好， 凝箬箬
4.5×80%+80%×5.4+0.08
=4.5×0.8+0.8×5.4+0.08
=45×0.08+0.08×54+0.08
=(45+54+1)×0.08
=100×0.08
=8
答
4.5*80％+80％*5.4+0.08
=4.5*80％+80％*5.4+80%*0.1
=80%*(4.5+5.4+0.1)
=80%*10
=8