calculeaza in 2 moduri dupa model
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5×(6+3)=5×9=45
7×(4+5)=7×9=63
8×(4+4)=8×8=64
coroana te rog
Răspuns:
• 5 x (6+3) = 5 x 9= 45
• 5 x (6+3) = 5 x 6 + 5 x 3= 30+15 = 45
• 7 x (4+5) = 7 x 9= 63
• 7 x (4+5) = 7 x 4 + 7 x 5= 28+35= 63
• 8 x (4+4) = 8 x 8= 64
• 8 x(4+4) = 8 x 4 + 8 x 4= 32+32 = 64
Explicație:
sper ca te-am ajutat!
daca da, pot primi coroana?