3.7×69+37×3.1怎样简算

3.7×69+37×3.1怎样简算
2025-03-23 08:28:08
推荐回答(1个)
回答1:

3.7×69+37×3.1
=3.7×69+3.7×31
=3.7×(69+31)
=3.7×100
=370