Помогите решить очень надо!!!!!!!!!!!!. Created by imadilya. matematika-ru

Помогите решить очень надо!!!!!!!!!!!!...

July 2022 1 6 Report

Помогите решить очень надо!!!!!!!!!!!!

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selmash21 -2/3×(-3/4)+(-1/2)=2/3×3/4-1/2=1/2-1/2=0
-2/3-1 1/2÷1=-2/3-1 1/2=-2/3-3/2=
=-4/6-9/6=-13/6=-2 1/6
-2/3÷1/3-(-1)=-2/3×3/1+1=-2+1=-1
-2/3+3/2+(-9/4)=-2/3+3/2-9/4=
=-8/12+18/12-27/12=-17/12=-1 5/12
-2/3×7/18+5/6=-14/54+5/6=-14/54+45/54=
=31/54
-2/3+3/5-5/2=-20/30+18/30-75/30=-77/30=
=-2 17/30
-1/2+1=-1/2+2/2=1/2
1÷(-1)=-1
1+(-9/4)=1-2 1/4=-1 1/4
-9/4×5/6=-15/8=-1 7/8
5/6-(-5/2)=5/6+5/2=5/6+15/6=20/6=10/3=3 1/3
-5/2÷(-1/2=5/2×2/1=5
-3/4÷1 1/2=-3/4÷3/2=-3/4×2/3=-1/2
1 1/2-1/3=3/2-1/3=9/6-2/6=7/6=1 1/6
1/3+3/2=2/6+9/6=11/6=1 5/6
3/2×7/18=7/12
7/18-3/5=35/90-54/90=-19/90
3/5+(-3/4)=3/5-3/4=12/20-15/20=-3/20

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