12+11=23
13+11=24 the
23+24=?
\(-\dfrac{\text{11}}{\text{24}}:\dfrac{\text{17}}{\text{23}}-\dfrac{\text{11}}{\text{24}}:\dfrac{\text{17}}{\text{11}}-\dfrac{1}{\text{12}}\)
9/11 + 1/12 : 11/24
`9/11 + 1/12 : 11/24 = 9/11 + 1/12 xx 24/11 = 9/11 + 2/11 = 11/11= 1`
9/11 1/12:11/24
9/11 + 1/12 : 11/24
`9/11+1/12:11/24=9/11+1/12xx24/11=9/11+[2xx12]/[12xx11]=9/11+2/11=11/11=1`
Tính : 11 + 67 × 24 + 12 + 55 - 24 = ?
11 + 67 x 24 + 12 + 55 - 24
= 11 + 55 + 67 x 24 - 24 + 12
= 66 + 24 x (67 - 1) + 12
= 66 + 24 x 66 + 12
= 66 x (24 + 1) + 12
= 66 x 25 + 12
= 1650 + 12
= 1662
11 + 67 x 24 + 12 + 55 - 24
= 11 + 55 + 24 x ( 67 - 1) + 12
= 66 + 24 x 66 + 12
= 66 x ( 1 + 24 ) + 12
= 66 x 25 + 12
= 1650 + 12
= 1662
so sánh
2/7 và 4/9
5/7 và 15/26
9/13 và 3/5
6/11 và 3/5
3/7 và 5/11
7/11và 12/17
13/18và 15/23
13/6và 17/9
giúp mình với
bài 2:
\(\dfrac{11}{12}\)-\(\dfrac{5}{12}\)=...... \(\dfrac{25}{24}\)-\(\dfrac{16}{24}\)=...... \(\dfrac{27}{36}\)-\(\dfrac{15}{36}\)=.......
11/12-5/12=6/12=1/2
25/24-16/24=9/24=3/8
27/36-15/36=12/36=2/3
k cho mik nhé
{-24/11}+{-19/13}+2/11+{-20/13}
-1/12+ -5/6 -4/3
\(-\dfrac{1}{12}+\left(-\dfrac{5}{6}\right)-\dfrac{4}{3}=-\dfrac{1}{12}-\dfrac{5}{6}-\dfrac{4}{3}=-\dfrac{1}{12}-\dfrac{10}{12}-\dfrac{16}{12}=-\dfrac{27}{12}=-\dfrac{9}{4}\)
\(\left(-\dfrac{24}{11}\right)+\left(-\dfrac{19}{13}\right)+\dfrac{2}{11}+\left(-\dfrac{20}{13}\right)=-\dfrac{24}{11}-\dfrac{19}{13}+\dfrac{2}{11}-\dfrac{20}{13}=-\dfrac{24}{11}+\dfrac{2}{11}-\dfrac{19}{13}-\dfrac{20}{13}=-2-3=-5\)
11+12-24=?
Số cần tìm là
11 + 12 - 24 = ( -1)
Đáp số ( - 1 )
11+12-24=
= 23 - 24
= -1
k nha !!!!!!
thank you
11+12-24=23-24=-1
Nhớ k cho mik nha!chúc bạn học tốt