vă rog ajutațimă e urgent!!!
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Răspuns:
7x(4+6)=7x10=70
7x4+7x6=28+42=70
8x(8-3)=8x5=40
8x8-8x3=64-24=40
(9-5)x9=4x9=36
9x9-5x9=81-45=36
6x(7-5-1)=6x1=6
6x7-6x5-6x1=42-30-6=12-6=6
(5+3)x5=8 x5=40
5x5+3x5=25+15=40
3x(3+4+5)=3x12=36
3x3+3x4+3x5=9+12+15=21+15=36