1/9 x 4/11 + 3/4 +7/11 x 1/9
= 1/9 x (4/11 + 7/11) + 3/4
= 1/9 x 1 + 3/4
=1/9 + 3/4
= 31/36
| gyyeshqadfghfgddsfsafasfdfdddsfdsdasdsdafffffffffffffffffffffffffffffffffffffffffffffffffffffff | |||||||||
\(\frac{1}{9}x\frac{4}{11}+\frac{3}{4}+\frac{7}{11}x\frac{1}{9}\)
\(=\frac{1}{9}x\left(\frac{4}{11}+\frac{7}{11}\right)+\frac{3}{4}\)
\(=\frac{1}{9}x1+\frac{3}{4}\)
\(=\frac{1}{9}+\frac{3}{4}\)
\(=\frac{31}{36}\)
\(\text{Hok tốt!}\)
\(\text{@Kaito Kid}\)
hong bé oi
anh hong cho bé đáp án bài đó đau
em hãy mơ đio nha
