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a fost răspuns

Completeaza egalitatile:
6x(5+9)= x5+ x9
(8+6)x5=8x + x5
8x(10+0)=8x + x
7x(3+6+8)=x + x + x
Va rog repede dau 30 pcte

Răspuns :

Cocirmariadenis
6x(5+9)=6x5+6x9=30+54=84
(8+6)x5=8x5+6x5=40+30=70
8x(10+0)=8x10+ 8x0=80+0=80 
7x(3+6+8)=7x3+7x6+7x8
Am aplicat distributivitatea inmultirii
Chris02Junior
1) 6x5 + 6x9 = 30 +54 = 84
2) 8x5 + 6x5 = 40 + 30 = 70
3) 8x10 +8x0 =80 + 0 = 80
4) 21+42+56 = 63+56 = 119

Alte intrebari