Question

(a:5×5+5)×5+5+5×40:4=105
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Answer 1

Explicație pas cu pas:

(a:5x5+5)x5+5+5+50 =105

(a:5x5+5)x5+55=105

(a:5x5+5)x5=105-55=50

a:5x5+5=50:5=10

a:5x5=10-5=5

a:5=5:5=1

a =5x1=5

a=5