Ответ:
1) 3 1/3÷2/3×1/5=10/3÷2/3×1/5=5/1×1/5=5
2) 1/5×5/8÷2/7=1/8÷2/7=1/8×7/2=7/16
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Ответ:
1) 3 1/3÷2/3×1/5=10/3÷2/3×1/5=5/1×1/5=5
2) 1/5×5/8÷2/7=1/8÷2/7=1/8×7/2=7/16