Tính : 0,75-0,6+3/7+3/13 P=————————— 2,75-2,2+11/7+11/3 Hứa vote 5sao!!!! 18/08/2021 Bởi Raelynn Tính : 0,75-0,6+3/7+3/13 P=————————— 2,75-2,2+11/7+11/3 Hứa vote 5sao!!!!
Đáp án: `P=3/11` Giải thích các bước giải: `P=(0,75-0,6+3/7+3/13)/(2,75-2,2+11/7+11/13)` `=>P=(3/4-3/5+3/7+3/13)/(11/4-11/5+11/7+11/13)` `=>P=(3(1/4-1/5+1/7+1/13))/(11(1/4-1/5+1/7+1/13))` `=>P=3/11` Bình luận
Ta có: `P = \frac{0,75 – 0,6 + 3/7 + 3/13}{2,75 – 2,2 + 11/7 + 11/3}` `P = \frac{3/4 – 3/5 + 3/7 + 3/13}{11/4 – 11/5 + 11/7 + 11/3}` `P = \frac{3.(1/4 – 1/5 + 1/7 + 1/13)}{11.(1/4 – 1/5 + 1/7 + 1/13)}` `P = \frac{3}{11}` Bình luận
Đáp án:
`P=3/11`
Giải thích các bước giải:
`P=(0,75-0,6+3/7+3/13)/(2,75-2,2+11/7+11/13)`
`=>P=(3/4-3/5+3/7+3/13)/(11/4-11/5+11/7+11/13)`
`=>P=(3(1/4-1/5+1/7+1/13))/(11(1/4-1/5+1/7+1/13))`
`=>P=3/11`
Ta có:
`P = \frac{0,75 – 0,6 + 3/7 + 3/13}{2,75 – 2,2 + 11/7 + 11/3}`
`P = \frac{3/4 – 3/5 + 3/7 + 3/13}{11/4 – 11/5 + 11/7 + 11/3}`
`P = \frac{3.(1/4 – 1/5 + 1/7 + 1/13)}{11.(1/4 – 1/5 + 1/7 + 1/13)}`
`P = \frac{3}{11}`