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17÷12+17×18 efectuati utilizand factorul comun

Răspuns :

17(12x18)=17x216=3672
17×12+17×18
=17(12+18)
=17×30
=510
deci
17×12+17×18=510
verificare
17×12+17×18=510
204+306=510
510=510