Quang Dinh
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2025-07-31 22:02:38
a, 5/6-1/2=10/12-6/12=1/3
2.9/4-7/2=9/2-7/2=2/2=1
2025-07-29 09:06:56
P=2/3+1/4+3/5-7/45+5/9+1/12+1/35
P=(2/3+1/4+1/12)+(5/9-7/45)+3/5+1/35
P=1+4/5+3/5+1/35
P=2 1/35
Q=(5-6-2)+(_3/4-7/4+5/4)+(1/5+8/5-16/5)
Q=-(3+5/4+7/5)
Q=_113/20
2025-07-29 08:43:31
A=(1/3-8/15-1/7)+(2/3+-7/15+1 1/7)
A=(1/3+2/3)-(8/15+7/15)+(-1/7+1 1/7)
A= 1-1+1
A=1
B=0,25+3/5-(1/8-2/5=1 1/4)
B=(0,25-1 1/4)+(3/5+2/5)-1/8
B=(1/4-1-1/4)+1-1/8
B=-1/8
2025-07-29 08:43:31
A=(1/3-8/15-1/7)+(2/3+-7/15+1 1/7)
A=(1/3+2/3)-(8/15+7/15)+(-1/7+1 1/7)
A= 1-1+1
A=1
B=0,25+3/5-(1/8-2/5=1 1/4)
B=(0,25-1 1/4)+(3/5+2/5)-1/8
B=(1/4-1-1/4)+1-1/8
B=-1/8
2025-07-29 08:43:31
A=(1/3-8/15-1/7)+(2/3+-7/15+1 1/7)
A=(1/3+2/3)-(8/15+7/15)+(-1/7+1 1/7)
A= 1-1+1
A=1
B=0,25+3/5-(1/8-2/5=1 1/4)
B=(0,25-1 1/4)+(3/5+2/5)-1/8
B=(1/4-1-1/4)+1-1/8
B=-1/8