如题所述
2/9x0.375÷6/7
=2/9x3/8÷6/7
=1/12÷6/7
=7/72
35/64÷(1/8+3/4)
=35/64÷7/8
=5/8
2/3ⅹ5/6+2/3÷6
=2/3x5/6+2/3x1/6
=2/3x（5/6+1/6）
=2/3x1
=2/3
=2/9x3/8÷6/7
=1/12÷6/7
=7/72
35/64÷(1/8+3/4)
=35/64÷7/8
=5/8
2/3ⅹ5/6+2/3÷6
=2/3x5/6+2/3x1/6
=2/3x（5/6+1/6）
=2/3x1
=2/3
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