5.5ᘧ࿾17.3锧2.7ᘧ࿾5.5

简算
2025-05-15 12:16:26
推荐回答(2个)
回答1:

5.5*(17.3+2.7)
=5.5*20
=110

回答2:

5.5x17.3+2.7x5.5
=5.5x17.3+5.5x2.7
=5.5x(17.3+2.7)
=5.5x20
=110