TEMAT: Odejmowanie liczb całkowitych
Oblicz:
(-4)+(-7)-(-5) =
12-(-6)+(-20) =
(-103)-(-12)-(-57) =
(-3)-(-5)+(-9)-4 =
13-15 - (-23)+(-30) =
(-40)+(-35)-50-(-65) =
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(-4)+(-7)-(-5) =-4-7+5=-11+5=-6
12-(-6)+(-20) =12+6-20=18-20=-2
(-103)-(-12)-(-57) =-103+12+57=-91+57=-34
(-3)-(-5)+(-9)-4 =-3+5-9-4=2-13=-11
13-15 - (-23)+(-30) =13-15+23-30=-2-8=-10
(-40)+(-35)-50-(-65) =-40-35-50+65=-75+15=-60
(-4)+(-7)-(-5) = -6
12-(-6)+(-20) = -2
(-103)-(-12)-(-57) = -34
(-3)-(-5)+(-9)-4 = -11
13-15 - (-23)+(-30) = -9
(-40)+(-35)-50-(-65) = -60