(6.73+8.5-2.73)×0.8 简算

问题描述:

(6.73+8.5-2.73)×0.8 简算

(6.73+8.5-2.73)×0.8
=(6.73-2.73+8.5)×0.8
=(4+8.5)×0.8
=12.5×0.8
=10