Ответ:
1)-6 3/4×5 1/3-4 1/3×3 3/13=-22
3)3 6/7×(-2 1/2)-8/9×(-1 7/8)=7 1/3
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Ответ:
1)-6 3/4×5 1/3-4 1/3×3 3/13=-22
3)3 6/7×(-2 1/2)-8/9×(-1 7/8)=7 1/3