(3分之2-9分之4x8分之3)/16分之7 2-(2分之1+25分之1)-50分23 5分之3/[(4分之3-3分之2)/6分之5]
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(3分之2-9分之4x8分之3)/16分之7
=(2/3-1/6)x16/7
=1/2x16/7
=8/7
2-(2分之1+25分之1)-50分23
= 2-(2分之1+25分之1+50分23)
= 2-(50分之25+50分之2+50分23)
=2-1
=1
5分之3/[(4分之3-3分之2)/6分之5]
= (3/5) /[(9/12-8/12)x6/5]
= (3/5) /[1/12x6/5]
= (3/5) /[1/10]
= (3/5)x10
=6
14分之9x49-14分之9/49分之1
=14分之9x49-14分之9x49
=0
=(2/3-1/6)x16/7
=1/2x16/7
=8/7
2-(2分之1+25分之1)-50分23
= 2-(2分之1+25分之1+50分23)
= 2-(50分之25+50分之2+50分23)
=2-1
=1
5分之3/[(4分之3-3分之2)/6分之5]
= (3/5) /[(9/12-8/12)x6/5]
= (3/5) /[1/12x6/5]
= (3/5) /[1/10]
= (3/5)x10
=6
14分之9x49-14分之9/49分之1
=14分之9x49-14分之9x49
=0
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