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August 2022
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Раскройте скобки и найдите значение выражения:а) (-2) *(12+11)б) 8*(5-30)в) (-15)*(2+10-4)г) (-6)*(-15-20)д)(-7)*(-3+7)
е) (8-3-11)*(-9)
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sapaganes
А) (-2)*(12+11)=(-2)*(23)=-46
б) 8*(5-30)=8*(-25)=-200
в) (-15)*(2+10-4)=(-15)*8=-120
г)
(-6)*(-15-20)=(-6)*(-35)=210
д) (-7)*(-3+7)=(-7)*4=-28
е) (8-3-11)*(-9)= (-6)*(-9)=54
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Answers & Comments
б) 8*(5-30)=8*(-25)=-200
в) (-15)*(2+10-4)=(-15)*8=-120
г) (-6)*(-15-20)=(-6)*(-35)=210
д) (-7)*(-3+7)=(-7)*4=-28
е) (8-3-11)*(-9)= (-6)*(-9)=54