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calculeaza tinand cont de regulile invatate: 12x35-12x15= 65x250x4= 2x756x50= 71x45+71x55=

Răspuns :

12x35-12x15=12(35-15)=12x20=240
65x250x4=65x(250x4)=65x1000=65000
2x756x50=756x(2x50)=756x100=75600
71x45+71x55=71(45+55)=71x100=7100