1)5,36+(-3,28)-1,78=0,3
5,36+(-3,28)= 5,36 - 3,28 = 2,08
2,08-1,78=0,3
3)-6,9+0,205-(-4,155)=-2,54
-6,9+0,205=-(6,900 - 0,205) = -6,695
-6,695 - (-4,155)= -(6,695 - 4,155) = -2,54
2)29,04-121,4-43,52=-135,88
29,04-121,4=-(121,4 - 29,04) = -92,36
-92,36
-43,52= -(92,36 + 43,52) = -135,88
5)4,87-8,54+3,12= -0,55
4,87-8,54=-(8,54 - 4,87) = -3,67
-3,67 + 3,12 = -0,55
4)-7-1,38-(-4,96)=-3,42
-7-1,38=-(7 + 1,38) = -8,38
-8,38-(-4,96)= -(8,38 - 4,96) = -3,42
6)45,006-52,29+(-2,306)= -9,59
45,006-52,29=-(52,29 - 45,006) = -7,284
-(7,284 + 2,306) = -9,59