8又3分之2-3又3分之1×1又5分之4+1又3分之1÷9分之8
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5又8分之1-(3又6分之1-1又4分之3)
=5+1/8-3-1/6+1+3/4
=3+7/8-1/6
=3+21/24-4/24
=324分之17
2又3分之1+2分之3+4又5分之6
=2+1/3+3/2+4+5/6
=6+2/6+9/6+5/6
=6+16/6
=6+8/3
=8又3分之2
3分之2Y-1又9分之1=0
2/3y=10/9
y=5/3
2又12分之11X3又5分之1除9分之7
=25/12*16/5*9/7
=60/7
=8又7分之4
(7又2分之1-3又5分之4)+(4又三分之1-4又5分之1)
=7+1/2-3-4/5+4+1/3-4-1/5
=4+3/6+2/6-1
=3又6分之5
52又2分之1X3分之2+51又4分之1X5分之4+50又6分之1X7分之6
=105/2×2/3+205/4×4/5+301/6×7/6
=35+41+43
=119
49又50分之49X50
=(50-1/50)×50
=50×50-1/50×50
=2500-1
=2499
15又4分之3-7又2分之1-0.75-0.5
=15+3/4-7-1/2-3/4-1/2
=8-1
=7
=5+1/8-3-1/6+1+3/4
=3+7/8-1/6
=3+21/24-4/24
=324分之17
2又3分之1+2分之3+4又5分之6
=2+1/3+3/2+4+5/6
=6+2/6+9/6+5/6
=6+16/6
=6+8/3
=8又3分之2
3分之2Y-1又9分之1=0
2/3y=10/9
y=5/3
2又12分之11X3又5分之1除9分之7
=25/12*16/5*9/7
=60/7
=8又7分之4
(7又2分之1-3又5分之4)+(4又三分之1-4又5分之1)
=7+1/2-3-4/5+4+1/3-4-1/5
=4+3/6+2/6-1
=3又6分之5
52又2分之1X3分之2+51又4分之1X5分之4+50又6分之1X7分之6
=105/2×2/3+205/4×4/5+301/6×7/6
=35+41+43
=119
49又50分之49X50
=(50-1/50)×50
=50×50-1/50×50
=2500-1
=2499
15又4分之3-7又2分之1-0.75-0.5
=15+3/4-7-1/2-3/4-1/2
=8-1
=7
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