7.8×2.6+0.78×74简便计算。

2024-12-29 16:26:06
推荐回答(5个)
回答1:

=7.8×2.6+7.8×7.4
=7.8×(2.6+7.4)
=7.8×10
=78

回答2:


回答3:


回答4:

7.8×2.6+0.78×74
=0.78x26+0.78x74
=0.78x(26+74)
=0.78x100
=78

回答5:

7.8×2.6+0.78×74
=7.8×2.6+7.8×7.4
=7.8×(2.6+7.4)
=7.8×10
=78