2.4-(-3/5)+(3.1)+4/5=
1个回答

2.4-(-3/5)+(3.1)+4/5=6.9

(-6/13)+(-7/13)-(-2)=1

3/4-(-11/6)+(-7/3)=1/4(2.5)

11+(-22)-3×(-11)=22

(-0.1)÷1/2×(-100)=20

(-3/4)×(-2/3-1/3)*10=15/2(7.5)

(-2)^3-3^2=?

22÷[(-2)^3-(-4)]=?

“^”什么意思?

(3/4-7/8)÷(-7/8)=1/7

(-60)×(3/4+5/6)=-95(负95)

1-2+3-4+5-6+……+99+100=5050