16.3-。7.9与1.7的积差是多少?

2025-12-15 04:13:23
推荐回答(1个)
回答1:

(1)16.3-7.9×1.7
=16.3-13.43
=2.87
答:差是2.87.

(2)1.8×4+0.5×8
=7.2+4
=11.2
答:和是11.2.