Tính
2 3/8 – 1 1/4 + 5 1/3
Tìm x
X + 2 3/4 = 5 2/3
X – 1 4/5 = 3 2/7
X+ 1/2 * 1/3 = 3/4
5 2/3 : x = 3 2/3 – 2 1/2
Đúng vote , cảm ơn , hay nhất
Tính 2 3/8 – 1 1/4 + 5 1/3 Tìm x X + 2 3/4 = 5 2/3 X – 1 4/5 = 3 2/7 X+ 1/2 * 1/3 = 3/4 5 2/3 : x = 3 2/3 – 2 1/2 Đúng vote , cảm ơn , hay nhất
By Valentina
23/8-11/4+51/3
= 1/8+51/3
= 137/8
X+23/4=52/3
x= 52/3-23/4
x=139/12
x-14/5=32/7
x=32/7+14/5
x=258/35
x+1/2*1/3=3/4
x+1/6=3/4
x=3/4-1/6
x=7/12
52/3:x=32/3-21/2
52/3:x=1/6
x=52/3:1/6
x=104
#chúc bạn học tốt
Tính
`2 3/8 – 1 1/4 + 5 1/3`
`=19/8 – 5/4 + 16/3`
`=57/24 – 30/24 + 128/24`
`=\frac{57-30 + 128}{24}`
`= 155/24`
————————————————-
tìm x
`x + 2 3/4 = 5 2/3`
`x + 11/4 = 17/3`
`x = 17/3 – 11/4`
`x = 68/12 – 33/12`
`x = 35/12`
————————————–
`x – 1 4/5 = 3 2/7`
`x – 9/5 = 23/7`
`x = 23/7 + 9/5`
`x =115/35+ 63/35`
`x = 178/35`
—————————————-
`x + 1/2 xx 1/3 = 3/4`
`x + 1/6 = 3/4`
`x = 3/4 – 1/6`
`x = 9/12 – 2/12`
`x = 7/12`
————————————————-
`5 2/3 : x = 3 2/3 – 2 1/2`
`17/3 : x = 11/3 – 5/2`
`17/3 : x = 22/6 – 15/6`
`17/3 : x = 7/6`
`x = 17/3 : 7/6`
`x = 17/3 . 6/7`
`x = 34/7`