a)105+(-7)+(-13)+20= b)-16+67+(-10)+(-7)+66= umie ktoś to obliczyć plis.Z góry dzięki
a)105+(-7) + (-13) + 20= 105 - 7 - 13 +20= 105 - 20+ 20 = 105 b) -16 + 67 + (-10) +(-7) +66 = 51 -17 + 66= 34 + 66= 100
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a)105+(-7) + (-13) + 20= 105 - 7 - 13 +20= 105 - 20+ 20 = 105
b) -16 + 67 + (-10) +(-7) +66 = 51 -17 + 66= 34 + 66= 100