Nguyễn Văn Duy
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2025-09-26 20:21:34
a} 1/5+4/5:x=0,75
4/5:x=3/4-6/4
4/5:x=−3/4
x=4/5:(−3/4)x=−16/15
b} x+1/2=1−x=x+x=1−1/2=2x=1/2=x=1/2:2=x=1/4
2025-09-26 20:21:32
a} 1/5+4/5:x=0,75
4/5:x=3/4-6/4
4/5:x=−3/4
x=4/5:(−3/4)x=−16/15
b} x+1/2=1−x=x+x=1−1/2=2x=1/2=x=1/2:2=x=1/4
2025-09-26 20:11:01
a} 2/3.5/4-3/4.2/3=2/3.{5/4-3/4}=2/3.2/4=1/3
b} 2.{-3/2} mũ2 -7/2=-6.1/2-7.1/2={-6-7}.1/2=-13.1/2=-13/2
c} −4/3.5 3/13−0,75.36/13 =−4/3.(68/13−36/13)=−34.32/13=−24/13
2026-02-01 21:57:09
2026-02-01 21:57:09
2026-02-01 21:57:09
2026-02-01 21:57:09
2026-02-01 21:57:09
2025-09-17 20:28:24
2026-02-01 21:57:09