Các câu hỏi tương tự
1 tháng 3 2023 lúc 20:32
Tìm x, biết:
a) x - 2 = \(\dfrac{7}{15}\)
b) \(\dfrac{9}{20}\) + x = \(\dfrac{2}{5}\) + \(\dfrac{3}{20}\)
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5...
Đọc tiếp
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
4 5. 4. 6.
--- + --- --- + ---
15 6. 5. 7
3. 4. 2. 5
--- + --- --- + ---
5. 20. 5. 12
Câu 3:Tìm x biết: (x+5) + (x+10) + (x+15) + (x+20)=74.
a. 5 - 10 + 15 - 20 + … - 2010 + 2015
Tìm cặp bằng nhau the fraction a/b such that a +b 20153/4-1/6 the fraction a/b such that a+b20151/3+1/5-1/42/15-1/101/4+1/141/2+1/3+1/41/2-1/15the number of the fraction a/b such that a+b2014the greatest fraction a/b such that a-b20141/3+1/107/10-2/3+1/43/4-3/75/6+1/41/3+1/2-1/41/2+1/5+1/41/5-1/61/4+7/103/10+3/201/5+1/4
Đọc tiếp
Tìm cặp bằng nhau
the fraction a/b such that a +b =2015 | 3/4-1/6 | the fraction a/b such that a+b=2015 | 1/3+1/5-1/4 |
| 2/15-1/10 | 1/4+1/14 | 1/2+1/3+1/4 | 1/2-1/15 |
| the number of the fraction a/b such that a+b=2014 | the greatest fraction a/b such that a-b=2014 | 1/3+1/10 | 7/10-2/3+1/4 |
| 3/4-3/7 | 5/6+1/4 | 1/3+1/2-1/4 | 1/2+1/5+1/4 |
| 1/5-1/6 | 1/4+7/10 | 3/10+3/20 | 1/5+1/4 |
(2/3 + 3/4 + 4/5 +... + 2016/2017) x (1/2 + 2/3 + 3/4 + ...+ 2015/2016) - (1/2 + 2/3 + 3/4 +...+2015/2016) x (2/3 + 3/4 + 4/5 +...+2015/2016)
Tính:
3/5 x 5/7 + 12/20 x 2/14 + 9/15 : 7
Tính:
3/5 x 5/7 + 12/20 x 2/14 + 9/15 : 7
câu 6 : tính a) 3/5 + 1/3 b) 17/20 - 4/5 c) 25/35 x 4/5 d) 7/15 : 6/7