(1) -11-7+6 计算

2025-06-25 20:10:10
推荐回答(2个)
回答1:

1 -11-7+6=-18+6=-12
(2) 1/7-2/5+3/5=5/35-14/35+21/35=(5+21-14)/35=12/35
(3) -3.5+4.3-6.5+10.7=4.3+10.7-(3.5+6.5)=15-10=5
4) 0-(-28)+55=28+55=83
5) (-5.3)-(-6.1)-(-3.4)+7 =6.1+3.4+7-5.3=9.5+7-5.3=16.5-5.3=11.2
(6) -1/3+3/4-1/6-1/2=9/12-4/12-2/12-6/12=(9-4-2-6)/12=-3/12=-1/4

回答2:

-0.25