а)10/51:15/68; Б)3 5/9:2 2/3; В)24:8/9;. Created by sergeisergeis. matematika-ru

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а)10/51:15/68; Б)3 5/9:2 2/3; В)24:8/9;

leila0006 10/51:15/68= 10/51×68/15=2/3×4/3=2×4/3×3=8/9
3 5/9:2 2/3= 32/9:8/3= 32/9×3/8=4/3=1 1/3
24:8/9=24×9/8=27

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