2) 98+(-56)+28+(-11) 3) 44+12+(-23)+(-31) 4) 62+(-53)+11+(-32)+12 - вопрос №997185229856281134412233146253113212 от vovamakarevich 28.02.2021 13:02

Question

Математика: 2) 98+(-56)+28+(-11) 3) 44+12+(-23)+(-31) 4) 62+(-53)+11+(-32)+12 htibnt gkbp

vovamakarevich · Answer

2) 98+(-56)+28+(-11) = 98 - 56 + 28 - 11 = 42 + 17 = 593) 44+12+(-23)+(-31) = 56 -23 -31 = 56 - 54 = 24) 62+(-53)+11+(-32)+12 = 62 - 53 + 11 -32 + 12 = 9 +11 -20 = 20-20 = 0...