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Pwky
a fost răspuns

Calculeaza in doua moduri
3×7+3×1
7×3+7×4
6×56×4
2×5+2×3

Răspuns :

Matepentrutoti
3×7+3×1 =21+3=24
3×7+3×1 =3(7+1)=3x8=24

7×3+7×4 =21+28=49
7×3+7×4 =7(3+4)=7x7=49


6×5+6×4 =30+24=54
6×5+6×4 =6(5+4)=6x9=54


2×5+2×3=10+6=16
2×5+2×3=2(5+3)=2x8=16

Alte intrebari