((-9 4/5)+(-10 9/20)+(-4,7))+(-8,3)=-33,25
1) -9 4/5 + (-10 9/20)= -9 16/20 -
10 9/20=-19 25/20= -20 1/4=-20,25
2) -20,25-4,7= -24,95
3) -24,95-8,3=- 33,25
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((-9 4/5)+(-10 9/20)+(-4,7))+(-8,3)=-33,25
1) -9 4/5 + (-10 9/20)= -9 16/20 -
10 9/20=-19 25/20= -20 1/4=-20,25
2) -20,25-4,7= -24,95
3) -24,95-8,3=- 33,25