(4 - 3 5/7) : 3 + 4 4/7 = 4 2/3.
1) 4 - 3 5/7 = 3 7/7 - 3 5/7 = 2/7
2) 2/7 : 3 = 2/7 · 1/3 = 2/21
3) 2/21 + 4 4/7 = 2/21 + 4 12/21 = 4 14/21 = 4 2/3
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(4 - 3 5/7) : 3 + 4 4/7 = 4 2/3.
1) 4 - 3 5/7 = 3 7/7 - 3 5/7 = 2/7
2) 2/7 : 3 = 2/7 · 1/3 = 2/21
3) 2/21 + 4 4/7 = 2/21 + 4 12/21 = 4 14/21 = 4 2/3