等式计算。卟要用方程做

1.8/4.5 (1.8除以4.5)15/2.5+15/7.524.7*3.3+3.3*75.345.2/0.25+54.8*4
2025-12-14 18:37:49
推荐回答(1个)
回答1:

1.8/4.5=0.4
=6+2=8
=81.51+248.49=330
=180.8+219.2=400