23.5*4+4.77/0.25怎么用简便计算这题后面是除以0.25不是乘啊

问题描述:

23.5*4+4.77/0.25怎么用简便计算
这题后面是除以0.25不是乘啊

23.5*4+4.77/0.25
=23.5*4+4.77*4
=(23.5+4.77)*4
=28.27*4
=113.08

23.5*4+4.77/0.25
=23.5x4+4.77x4
=(23.5+4.77)x4
=29.27x4
=(30-0.73)x4
=30x4-0.73x4
=1200-2.92
=1197.08

0.25=1/4,所以23.5*4+4.77/0.25=(23.5+4.77)*4