42x1.7如何算列竖式做

2025-04-02 06:49:28
推荐回答(1个)
回答1:

1.7×0.45=0.7651.56×0.18=0.28080.208×2.5≈0.57.83÷9=0.878.84÷1.7=5.236.54÷1.6≈22.84