1.8ᠧ2.9+2.9ᠧ4.2求简便计算

2024-11-25 04:55:07
推荐回答(5个)
回答1:

1.8×2.9+2.9×4.2
=2.9×(1.8+4.2)
=2.9×6
=17.4

回答2:

1.8×2.9+2.9×4.2
=2.9×(1.8+4.2)
=2.9×6
=17.4

回答3:

回答4:


回答5:

=2.9×(1.8+4.2)