210÷3.5+210÷1.5用简便计算

210÷3.5+210÷1.5用简便计算
2025-02-03 05:48:43
推荐回答(3个)
回答1:


回答2:

210÷3.5+210÷1.5
=60+140
=200
请点采纳谢谢

回答3:

=60+140=200