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Calculeaza, respectand regulile invatate: (8-6) x (9-4), 100:10 x (6+4), (7-7) x 7+2x2x2, (18-9): 3+ (4+5) x2

Răspuns :

MaryaEzgy
(8-6)x(9-4)=2x5=10
100:10x(6+4)=100:10x10=100:100=1
(7-7)x7+2x2x2=0x7+2x2x2=0+8=8
(18-9):3+(4+5)x2=9:3+9=3+9=12

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