时间:2026-04-24 14:22:26
1、首先把7.2换算成3.6*2
则算式等于3.6x5.4+3.6X2x2.3
然后2X2.3=4.6
则算式变成3.6x5.4+3.6X4.6
=3.6X(5.4+4.6)
=3.6X10
=36