1) 2/3 × 5/7;
2) 4/15 × 5/8;
3) 24/35 × 15/32;
4) 3/4 × 5;
5) 2/3 × 12; 6) 2 1/2 × 1 3/5; 7) 5 1/10 × 3; 8) 4 3/5 × 2; 9) 5 - 1 1/3; 10) 1 1/2 + 2 3/5
2) 4/15 × 5/8;
3) 24/35 × 15/32;
4) 3/4 × 5;
5) 2/3 × 12; 6) 2 1/2 × 1 3/5; 7) 5 1/10 × 3; 8) 4 3/5 × 2; 9) 5 - 1 1/3; 10) 1 1/2 + 2 3/5
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