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Afla nr necunoscut:a+17x35+5200

Răspuns :

(a+1235):100=17
a+1235=17x100
a+1235=1700
a=1700-1235
a=465
a+17×35=5200
a+595=5200
a=5200-595
a=4605

(a+1235):100=17
a+1235=17×100
a+1235=1700
a=1700-1235
a=465