Пошаговое объяснение:
1) Х+1 7/9= 2 4/9; х=2 4/9 - 1 7/9 = 6/9 = 2/3
2) 3 5/8-х=1 3/8; х=3 5/8 - 1 3/8; х=2 2/8=2 1/4
3 )х-2 4/11=4 1/11; х=4 1/11 + 2 4/11 = 6 5/11
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Пошаговое объяснение:
1) Х+1 7/9= 2 4/9; х=2 4/9 - 1 7/9 = 6/9 = 2/3
2) 3 5/8-х=1 3/8; х=3 5/8 - 1 3/8; х=2 2/8=2 1/4
3 )х-2 4/11=4 1/11; х=4 1/11 + 2 4/11 = 6 5/11