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16/1 ÷ (7×6+4)
16/1 ÷ 46/7
16/1 × 7/46
16×7/1×46
112÷2/46÷2
56/23
2. 14/16 ÷ 8 2/5
14/16 ÷ (5×8+2)
14/16 ÷ 42/5
14/16 × 5/42
14×5/16×42
70÷7/672÷7
10÷2/96÷2
5/48
3. 9/11 ÷ 3 6/13
9/11 ÷ (13×3+6)
9/11 ÷ 45/13
9/11 × 13/45
9×13/11×45
117÷9/495÷9
13/55
4. 6/14 ÷ 2 4/7
6/14 ÷ (7×2+4)
6/14 ÷ 18/7
6/14 × 7/18
6×7/14×18
42÷7/252÷7
6÷6/36÷6
1/6
5. 1 7/20 ÷ 2 6/15
(20×1+7) ÷ (15×2+6)
27/20 ÷ 36/15
27/20 × 15/36
27×15/20×36
405÷9/720÷9
45÷5/80÷5
9/16
6. 5 4/8 ÷ 2 9/12
(8×5+4) ÷ (12×2+9)
44/8 ÷ 33/12
44/8 × 12/33
44×12/8×33
528÷8/264÷8
66÷3/33÷3
22/11
7. 4 1/11 ÷ 4 8/13
(11×4+1) ÷ (13×4+8)
45/11 ÷ 60/13
45/11 × 13/60
45×13/11×60
585÷5/660÷5
117÷3/132÷3
39/44
8. 5 1/4 ÷ 4 3/6
(4×5+1) ÷ (6×4+3)
21/4 ÷ 27/6
21/4 × 6/27
21×6/4×27
126÷9/108÷9
14÷2/12÷2
7/6
9. 6 7/8 ÷ 5 3/6
(8×6+7) ÷ (6×5+3)
55/8 ÷ 33/6
55/8 × 6/33
55×6/8×33
330÷6/264÷6
55/44
10. 1 1/2 ÷ 1 3/5 ÷ 3 3/4
(2×1+1) ÷ (5×1+3) ÷ (4×3+3)
3/2 ÷ 8/5 ÷ 15/4
3/2 × 5/8 × 4/15
3×5×4/2×8×15
60÷10/240÷10
6÷6/24÷6
1/4
11. 2 1/3 ÷ 1 4/6 ÷ 1 8/14
(3×2+1) ÷ (6×1+4) ÷ (14×1+8)
7/3 ÷ 10/6 ÷ 22/14
7/3 × 6/10 × 14/22
7×6×14/3×10×22
588÷6/660÷6
98÷2/110÷2
49/55
12. 2 2/8 ÷ 2 4/6 ÷ 1 9/12
(8×2+2) ÷ (6×2+4) ÷ (12×1+9)
18/8 ÷ 16/6 ÷ 21/12
18/8 × 6/16 × 12/21
18×6×12/8×16×21
1.296÷8/2.688÷8
162÷6/336÷6
27/56