5/6+7/8x3=5/6+21/8=40/48+126/48=166/48=83/24
\(\dfrac{5}{6}+\dfrac{7}{8}\times3=\dfrac{5}{6}+\dfrac{21}{8}=\dfrac{20}{24}+\dfrac{63}{24}=\dfrac{83}{24}\)
`5/6+ 7/8 xx 3 `
= `5/6 + 21/8`
= `83/24`
5/6+7/8x3=5/6+21/8=40/48+126/48=166/48=83/24
5/6+7/8x3=5/6+21/8=40/48+126/48=166/48=83/24
\(\dfrac{5}{6}+\dfrac{7}{8}\times3=\dfrac{5}{6}+\dfrac{21}{8}=\dfrac{20}{24}+\dfrac{63}{24}=\dfrac{83}{24}\)
`5/6+ 7/8 xx 3 `
= `5/6 + 21/8`
= `83/24`
5/6+7/8x3=5/6+21/8=40/48+126/48=166/48=83/24
tính giá trị biểu thức
1/2x3/4:6/5 2/3+1/6:7/12 8x3/5:12/5 4/9+3/4-1/3
tính giá trị biểu thức
1/2x3/4:6/5 2/3+1/6:7/12 8x3/5:12/5 4/9+3/4-1/3
Tính gá trị của biểu thức
5/7+4/9-8/21
7/8x3/4+11/16
5/6:3/4-7/9
tính giá trị biểu thức
1/2x3/4:6/5 2/3+1/6:7/12 8x3/5:12/5 4/9+3/4-1/3
2 bn lm xong trước mk tick
tính bằng cách thuận tiện nhất:
a 1+2+3+4+5+6+7+8+9
b 8x3+8x7
c 8x172-8x72
8/11x(7/4-3/8)
15/6:3/8x3/5 )
A . 2/5x3/7 4/9x3/10 4/7x3/4 2x5/8
B . 3/8:7/5 3/4:9/10 7/8:2 6:2/3
C . 1/3x3/5x5/9 15/16:3/8x3/4
Tính bằng cách thuận tiện
35 x 20 x 5 8 x 9 x 125 25 x 7 x 4 72 : (8x3)
( 36 x 7 ) : 4
5/8+15/16:3/8x3/4=
9/6-1/3:1/2+5/12=
giúp mình nha