1) -(2 1/3+9)+(38-7)-(22- 2 1/3)
2) -11 1/3+31-(22- 7/3)
3)-34/3 +31 -59/3
ответ: 0
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1) -(2 1/3+9)+(38-7)-(22- 2 1/3)
2) -11 1/3+31-(22- 7/3)
3)-34/3 +31 -59/3
ответ: 0