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Sylvyu1
a fost răspuns

a)397+42×m=859. b)974-124:n=943.c)40×p-500=300.

Răspuns :

Elyelenawow
A)397+42×m=859
859-397=42×m
462=42×m
m=462÷42
m=11
b)974-124:n=943
974-943=124÷n
31=124÷n
n=124÷31
n=4
c)40×p-500=300.
40×p=500+300
40×p=800
p=800÷40
p=20

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