(-8)-(-1)45+(-30)-1.5-(-11.5)-0.25-(-0.5)15-【1-(-20-4)】-40-28-(-19)+(-24)22.54+(-4.4)+(-12.54)+4.4(2/3{三分只二 “/”是分数线}-1/2)-(1/3-5/6)2.4-(-3/5)+(-3.1)+4/5(-6/13)+(-7/
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(-8)-(-1)45+(-30)-1.5-(-11.5)-0.25-(-0.5)15-【1-(-20-4)】-40-28-(-19)+(-24)22.54+(-4.4)+(-12.54)+4.4(2/3{三分只二 “/”是分数线}-1/2)-(1/3-5/6)2.4-(-3/5)+(-3.1)+4/5(-6/13)+(-7/
(-8)-(-1)
45+(-30)
-1.5-(-11.5)
-0.25-(-0.5)
15-【1-(-20-4)】
-40-28-(-19)+(-24)
22.54+(-4.4)+(-12.54)+4.4
(2/3{三分只二 “/”是分数线}-1/2)-(1/3-5/6)
2.4-(-3/5)+(-3.1)+4/5
(-6/13)+(-7/13)-(-2)
3/4-(-11/6)+(-7/3)
11+(-22)-3×(-11)
(-0.1)÷0.5×(-100)
(-2)的3次方-9
23÷[-9-(-4)]
(3/4-7/8)÷(-7/8)
(-60)×(3/4+5/6)
(-8)-(-1)45+(-30)-1.5-(-11.5)-0.25-(-0.5)15-【1-(-20-4)】-40-28-(-19)+(-24)22.54+(-4.4)+(-12.54)+4.4(2/3{三分只二 “/”是分数线}-1/2)-(1/3-5/6)2.4-(-3/5)+(-3.1)+4/5(-6/13)+(-7/
(-8)-(-1) =-7
45+(-30) =15
-1.5-(-11.5) =10
-0.25-(-0.5) =0.25
15-【1-(-20-4)】 =-10
-40-28-(-19)+(-24) =-73
22.54+(-4.4)+(-12.54)+4.4 =10
(2/3{三分只二 “/”是分数线}-1/2)-(1/3-5/6)=2/3
2.4-(-3/5)+(-3.1)+4/5 =0.7
(-6/13)+(-7/13)-(-2) =1
3/4-(-11/6)+(-7/3) =1/4
11+(-22)-3×(-11) =22
(-0.1)÷0.5×(-100) =20
(-2)的3次方-9 =-17
23÷[-9-(-4)] =-23/5
(3/4-7/8)÷(-7/8) =1/7
(-60)×(3/4+5/6)=-95