1) QUAL E' LA FRAZIONE COMPLEMENTARE DI 1/3 ? a) 5/8 b) 2/3 c) 3/5 d) 1/4 2) QUAL E' LA FRAZIONE COMPLEMENTARE DI 3/8 ? a) 2/3 b) 1/4 c) 5/8 d) 7/10 3) QUAL E' LA FRAZIONE COMPLEMENTARE DI 7/10 ? a) 3/10 b) 2/3 c) 4/5 d) 1/6 4) QUAL E' LA FRAZIONE COMPLEMENTARE DI 1/4 ? a) 3/4 b) 6/6 c) 2/5 d) 7/10 5) QUAL E' LA FRAZIONE COMPLEMENTARE DI 1/2 ? a) 6/6 b) 5/9 c) 2/3 d) 1/2 6) QUAL E' LA FRAZIONE COMPLEMENTARE DI 3/4 ? a) 3/5 b) 1/4 c) 3/10 d) 5/9 7) QUAL E' LA FRAZIONE COMPLEMENTARE DI 1/5 ? a) 4/5 b) 6/6 c) 7/10 d) 1/2 8) QUAL E' LA FRAZIONE COMPLEMENTARE DI 2/5 ? a) 2/5 b) 3/10 c) 5/9 d) 3/5 9) QUAL E' LA FRAZIONE COMPLEMENTARE DI 3/10 ? a) 7/10 b) 3/10 c) 5/8 d) 1/6 10) QUAL E' LA FRAZIONE COMPLEMENTARE DI 5/6 ? a) 1/6 b) 4/5 c) 7/10 d) 1/4 11) QUAL E' LA FRAZIONE COMPLEMENTARE DI 3/5 ? a) 1/2 b) 2/5 c) 4/5 d) 1/4 12) QUAL E' LA FRAZIONE COMPLEMENTARE DI 4/9 ? a) 7/10 b) 5/9 c) 2/3 d) 1/2

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