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calculeaza in doua moduri 5x6+5x3 si 3x6+6x7
urgent!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


Răspuns :

5 × 6 + 5 × 3
= 30 + 15
= 45

3 × 6 + 6 × 7
= 18 + 42
= 60
5×6+5×3 = 5×(6+3) =5×9=45
3×6+6×7 = 6× (3+7)=6×10=60