111ใจ140ไปฅๅคใฏใใ็ขบๅฎใใฆใใใใใงใใๅคงๅฐ้ขไฟใใฉใใพใงๅใใใใ็ขบ่ชใใฆใฟใใจใใใจๆใใพใใ
Mathematics
Primary
ๆฅใใงใ๐๐จ
่งฃ่ชฌใงใฏ๏ผก+BใA+Cใ111ใ140โฆโฆใจๆธใใฆใใใพใใใฉใใใฆ111ใจ140ใๅบใฆใใใใพใฃใใใใใใพใใใ
ใ 4ใคใฎๆดๆฐ A,B,C,Dใใใใใใฎใใกใฎ2ใคใฎๆฐใฎๅใๆฑใใใจ, 75, 106,
111,140, 145,176ใงใใ A<B<C<Dใฎใจใ,ใใใใใฎๆฐใๆฑใใชใใใ
โข A+B<A+C<111 < 140 <B+D<C+Dใจใชใ,111,140 ใฏใใใใ,
A+DใจB+Cใฎใฉใกใใใใฆใฏใพใๅฏ่ฝๆงใใใใพใใJ
ใใใง,B+D=145,C+D=176 ใใ C-B=31 ใ ใใ,ๅๅทฎ็ฎใฎ่ใๆนใใใ
B+Cใฏๅฅๆฐใงใชใใใฐใชใใชใใฎใง,B+C=111,ใใฃใฆ, A+D = 140 ใงใใ
B=(111-31)รท2=40, C=40+31=71, A=75-40=35,D=176-71=105
็ญ Aใปใปใป 35, B 40,
C๏ฝฅ๏ฝฅ๏ฝฅ 71, Dโฆ 105
]
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions ๐
