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Cristinabitere74
a fost răspuns

72 :b:4×5×6=60 Mulțumesc anticipat ​

Răspuns :

Meri88

72:b:4x5x6=60

72:b:4x5=60:6

72:b:4x5=10

72:b:4=10:5.

72:b:4=2

72:b=2x4

72:b=8

b=72:8

b=9

Hellomelon

8÷b×1×7=28 8÷b×1=28÷7

8÷b×1=4 8÷b=4×1

8÷b=4 b=8÷4

b=2

Verificare:

8÷2×1×7=4×1×7=4×7=28

Ma bucur ca te pot ajuta ! Spor la teme!