35 x 11 + 42 x 11 + 22 x 11 + 11
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
=11 x (35 + 42 + 22 + 1)
=11 x 100
=1100
học tốt em nhé
35 x 11+42x11+22x11+11
= (35 + 42 + 22 +11 ) x11 =
= 110 x11
=1210
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
`# \text {DNamNgV}`
`16/21 + 6/7`
`= 16/21 + 18/21`
`= 34/21`
__
`15/22 \times 11/35`
`= (15 \times 11)/(22 \times 35)`
`= (5 \times 3 \times 11)/(2 \times 11 \times 5 \times 7)`
`= (3 \times 1)/(2 \times 7)`
`= 3/14`
___
`8/11 \div 5/22`
`= 8/11 \times 22/5`
`= (8 \times 22)/(11 \times 5)`
`= (8 \times 11 \times 2)/(11 \times 5)`
`= (8 \times 2)/5`
`= 16/5`
___
`9/13 \div 27/39`
`= 9/13 \times 39/27`
`= 9/13 \times 13/9`
`= 1`
![](https://rs.olm.vn/images/avt/0.png?1311)
\(=\dfrac{21}{11}\cdot\dfrac{22}{17}\cdot\dfrac{34}{42}=\dfrac{1}{2}\cdot2\cdot2=2\)
![](https://rs.olm.vn/images/avt/0.png?1311)
42 x 11 = 462
53 x 11 =583
72 x 11 = 792
85 x 11 = 935
94 x 11 = 1034
67 x 11 = 737
42 x 11= 462
53 x 11= 583
72 x 11= 792
85 x 11= 935
94 x 11= 1034
67 x 11= 737
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(\frac{35}{14}=\frac{5\times7}{2\times7}=\frac{5}{2}\)
\(\frac{125}{50}=\frac{5\times5\times5}{2\times5\times5}=\frac{5}{2}\)
b)\(\frac{4\times5+4\times11}{8\times7+4\times3}=\frac{4\times\left(5+11\right)}{4\times\left(2\times7+3\right)}=\frac{16}{17}\)
c) \(\frac{3\times11+7\times11}{22\times2+11\times6}=\frac{11\times\left(3+7\right)}{22\times\left(2+3\right)}=\frac{11\times10}{22\times5}=\frac{11\times2\times5}{11\times2\times5}=1\)
![](https://rs.olm.vn/images/avt/0.png?1311)
A = ( 15/22 - 2/22 ) : 1/33 - ( 6/84 - 8/84) : 1/35 + 1 + 1/5 . ( 3/12 - 2/12 - 12/12 ) . 5/11
A = 13/22 . 33 - (-1/42) . 35 + 1 + 1/5 . - 11/12 . 5/11
A = 39/2 - ( -5/6 ) + 1 + - 11/60 .5/11
A = 39/2 + 5/6 + 1 + (- 1/12)
A = 234/12 + 10 /12 + 12/12 + (-1/12)
A = 255/12
![](https://rs.olm.vn/images/avt/0.png?1311)
12+x-44-55=11-42-22
12+x-(-11)= -53
12+x= -53+(-11)
12+x= -64
x= -64-12
x= -76
Tick ủng hộ mình nha
![](https://rs.olm.vn/images/avt/0.png?1311)
2- X x 27/11 = 35/22
X x 27/11 =2-35/22
X x 27/11 =9/22
X =9/22:27/11
X =1/6
cứu mình với huhu
1100 iq tính nhanh haha