Question

2. Verifica egalitatile:
a. 11 x (8-5-2) = 11 x 8 - 11 x 5 - Il x 2 +0: 7 x 8
b. 8 + 9 x 10 = (33 : 3 x 9 + 1) - 100:10:5
c. 37 +(45 - 6 X 6: 6) = 9x9-49:7
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Answer 1

Răspuns:

11 x (8-5-2) = 11 x 8 - 11 x 5 - Il x 2 +0: 7 x 8

11x1=88-55-22+0

11=33-22

11=11

8 + 9 x 10 = (33 : 3 x 9 + 1) - 100:10:5

8+90=(11x9+1)-10:5

98=(99+1)-2

98=100-2

98=98

37 +(45 - 6 X 6: 6) = 9x9-49:7

37+(45-36:6)=81-7

37+(45-6)=74

37+39=74

76>74