13.8ᠧ175-13.7ᠧ176怎么计算?

2025-02-24 07:18:43
推荐回答(1个)
回答1:

13.8×175-13.7×176
=(13.7+0.1)×175-13.7×(175+1)
=13.7×175+0.1×175-13.7×175-13.7×1
=17.5-13.7
=3.8