1) -5½+3-(-1,5)+(-5)

2) 4½-3½-4⅓+5⅔-⅓

3) 6¼-8+(-1¾)+2,5-10

4) ⅜-1/6+2¼-1 1/6+(-2)

5) -6 5/6+(-5)+(-2 1/6)-2⅜+3⅜

6) -3¼+4⅜+(-½)-(-7¾)


1) -2+х=4,3

2) 5-х=-1,7


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