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(e-5×6+10×5)÷5+4×8=42

Răspuns :

(e-5·6+10·5):5+4·8=42
(e-30+50):5+32=42
(e+20):5=10
e+20=2
e=2-20
e=18
(e -30+50)÷5+32=42
(e-80)÷5+32=42/-32
(e-80)÷5=10/×5
e-80=50/+80
e=130...nu cred ca e corect