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1个回答
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{(1.5+2/3)÷13/6-0.9}÷7/6
={(3/2+2/3)÷13/6-9/10}÷7/6
={(13/6)÷13/6-9/10}÷7/6
={(13/6)*6/13-9/10}÷7/6
={1-9/10}÷7/6
=1/10*6/7
=3/35
={(3/2+2/3)÷13/6-9/10}÷7/6
={(13/6)÷13/6-9/10}÷7/6
={(13/6)*6/13-9/10}÷7/6
={1-9/10}÷7/6
=1/10*6/7
=3/35
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