Question

1)-4,48-(-1,2)=
2)-1/2-1/3-1/6=
3)-1/3+1/4-5/12=
4)-3/7-11/14+1/28=
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Answer 1

1)-4,48-(-1,2)= - 4,48+1,2 = -3,28
2)-1/2-1/3-1/6= -3/6 - 2/6 -1/6 = (-3-2-1)/6 = -6/6= -1
3)-1/3+1/4-5/12= -4/12 +3/12 -5/12 = (-4+3-5)/12 = -4/12= -1/3
4)-3/7-11/14+1/28= -12/28 -22/28 +1/28 = (-12-22+1)/28 = -33/28 = -1 целая 5/28