\(=7+\dfrac{1}{2}=\dfrac{14}{2}+\dfrac{1}{2}=\dfrac{15}{2}\)
\(=7+\dfrac{1}{2}=\dfrac{14}{2}+\dfrac{1}{2}=\dfrac{15}{2}\)
trong các p/s 12/7, 6/1,12/14,3/4 phân số bằng 6/7 la; a 12/7 b 6/14 c 12/14 d 3/4 giúp m với
Tính nhanh: A) 4/9+1/8+5/9+7/8 B) 1/6+4/6+5/12+7/6+7/12
A=7/3*6 + 7/6*9 + 7/9*12 + 7/12*15 ...... 7/96*99
/ là dấu phân số
2/5+2/3+3/4
2/6+3/12
5/6+1/3
1/3+5/12+5/6
5/8+4/7
1/5+5/35
5/8+3/4
1/6+1/3+1/12
1/6+5/24+2/3
7/3+8/7
2/5+1/6
1/7+1/4+6/7+3/4
giúp với
và ai giải được gọi cụ
Tính bằng cách thuận tiện nhất
A. 2/5*4/7+3/5*4/7
B. 17/13*12/17-4/13*12/17
C. 9/14 : 6/7+5/14 : 6/7
D. 9/12 : 7/9*12/19
a.5/6+7/12=............
b.9/16 - 3/8=...........
c.5/6 × 7/12=..........
d.9/16 ÷ 3/8=..........
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
Mẫu : Ta có: 5 x 6 x 7 x 9 = 5 x 6 x 7 x 9 = 5/6
12 7 x 27 6 x 2 x 7 x 9 x 3
a) 3 x 4 x 7 =
12 x 8 x 9
b)4 x 5 x 6 =
12 x 10 x 8
c)5 x 6 x 7=
12 x 14 x 15
Ai nhanh nhất TiCk ChO !
5/7 + 3/18
15/24 + 12/16
5/6 + 3/4
3/8 + 7/12
Giúp mình với mình tick hết
7/6+5/12-1/18-1=? 13/6+5/18+3-7/12=?
3+11/4-1/12-3/16=? 2/5x7/4-2/5x3/4=?