Question

f) 11-(7 x 5-9x9:f:3): 8 = 7
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Answer 1

Răspuns:

f=9

Explicație pas cu pas:

11-(7×5-9×9:f:3):8=7

(35-81:f:3):8=11-7

35-81/f×1/3=4×8

35-27/f=32

27/f=35-32

3×f=27

f=27:3

f=9