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[675-126 x3+(426:3+a x3): 2] :4 x6=714 Va RoG URGENT!!!!!!!!!!!!

Răspuns :

Renatemambouko
[675-126 x3+(426:3+a x3): 2] :4 x6=714
[675-378+(142+3a): 2] :4 =714:6
[297+(142+3a): 2]  =119 ×4
297+(142+3a): 2  =476
(142+3a): 2  =476-297
(142+3a): 2  =179
(142+3a)  =179×2
3a  =358-142
3a  =216
a=216:3
a=72

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