(42x29十71x42)÷35的简便计算

(42x29十71x42)÷35的简便计算
2025-04-04 13:54:28
推荐回答(3个)
回答1:


详细步骤写在纸上了

回答2:

(42×29+71×42)÷35
=(29+71)×42÷35
=100×6×7÷7÷5
=100÷5×6
=20×6
=120

回答3:

=42×(29+71)÷35
=42×100÷7÷5
=600÷5
=120