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24. Calculati in doua moduri: a)59×(27+3)​

Răspuns :

59×(27 + 3)​ =

= 59×30

= 1770

59×(27 + 3)​ =

= 59×27 + 59×3

= 1593 + 177

= 1770

59x(27+3)= 59x30= 1770
59x(27+3)= 59x27+59x3= 1593+177= 1770