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a fost răspuns

calculeaza in doua moduri.6×(4+5).(9-2)×7.3×(7-4)​

Răspuns :

Crys157724

6×(4+5)=6×9=54

6×4+6×5=24+30=54

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(9-2)×7=7×7=49

9×7-2×7=63-14=49

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3×(7-4)=3×3=9

3×7-3×4=21-12=9

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