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Afla valoarea lui ,,m":

(248x21)-m=87x16


m+(26x13)=635


Răspuns :

(248x21)-m=87x16
5208-m=1392
5208-1392=m
m=3816

m+(26x13)=635
m+338=635
m=635-338
m=297


(248×21)-m=87×16
5208-m=1392
m=5208-1392
m=3816

m+(26×13)=635
m+338=635
m=635-338
m=297