3.14乘一八分之三加0.314乘四分之25减31点四乘零点二等于

2026-05-18 10:07:48
推荐回答(1个)
回答1:

3.14×1又3/8+0.314×25/4-31.4×0.2
=3.14×1又3/8+3.14×5/8-3.14×2
=3.14×(1又3/8+5/8-2)
=3.14×0
=0