(−27,33+(−1,7))+(−15+(−120)). Created by 525555. matematika-ru

(−27,33+(−1,7))+(−15+(−120))...

m46patton2013 1) - 27,33 - 1,7 = - 29,03
2) - 15 - 120 = - 135
3) - 29,03 - 135 = - 164,03

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525555 С дробями надо извините (−27,33+(−1,7))+(−1/5+(−1/20))

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-2733/100-17/10-15-120=-2733/100-17*10/100-1/15-1/20=-2903/100-4*1/60-3*1/60=-29 3/100-7/60-=-2903*3/300-7*5/300=-2938/300=-9 целых 238/300=-9 целых 119/150

2 votes Thanks 2

525555 С дробями надо извините (−27,33+(−1,7))+(−1/5+(−1/20))

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