(4.5除以6加上1.2除以4.8)x0.8怎样简便计算

2025-06-28 15:09:30
推荐回答(1个)
回答1:

(4.5÷6+1.2÷4.8)x0.8
=4.5÷6x0.8+1.2÷4.8x0.8
=4.5x0.8÷6+1.2÷4.8x0.8
=3.6÷6+0.25x0.8
=0.6+0.2
=0.8