Y - 3/4 = 5/12 : 15/4
Y - 3/4 = 1/9
Y = 1/9 + 3/4
Y = 31/36
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7 tháng 5 2022 lúc 16:15
a. 5/3 - y = 7/12 : 5/6
b.4/15 : y = (4/5 + 1/2) x 4/13
giúp mình nha
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
a, 3/4- 2/5+ 5/12
b, 15/7-4/3- 2/9
c, 3/5+ 2/5x 4/5
d, 4/5 -(6/15 +1/5)
5/6 + 5/8 + 3/4
12/15 + 3 + 3/5
4/3 x 7/8 x 5
8/9 x 6/5 : 3
7/12 + 5/8 x 4/3 - 3/4
(8/5 - 7/6) : 13/15 + 1/4
Tính bằng cách thuận tiện nhất
A. 3/5 * 6/7 + 3/5 : 7 + 6/5
B. 29/12 : 1/2 - 5/12 : 1/2 - 1/2
C. 2/15 * 4/7 + 4/7 * 2/3 + 4/7 : 5
D. 14/15 * 15/16 * 16/17 : 14/51
Tính :
2/9 + 3/5 -1/15 =
5/12 x 4/5 : 4 =
8/9 - 4/15 : 2/5 =
Giải chi tiết cho mình nhé !
a) Tính bằng hai cách:(15 +35) : 5;(80 +4) : 4b) Tính bằng hai cách (theo mẫu)Mẫu: 12 : 4 + 20 : 4 ?Cách 1:12 : 4 + 20 : 4 3 + 5 8Cách 2:12 : 4 + 20 : 4 (12+20) : 4 32 :4 818 : 6 + 24 : 6;60 : 3 + 9 : 3.
Đọc tiếp
a) Tính bằng hai cách:
(15 +35) : 5;
(80 +4) : 4
b) Tính bằng hai cách (theo mẫu)
Mẫu: 12 : 4 + 20 : 4 = ?
Cách 1:
12 : 4 + 20 : 4
= 3 + 5 = 8
Cách 2:
12 : 4 + 20 : 4
= (12+20) : 4
= 32 :4 = 8
18 : 6 + 24 : 6;
60 : 3 + 9 : 3.
Tính :
a) 5 / 12 + 3 / 14 + 7 / 12
b) 15 / 14 x 17 / 18 x 28 / 15
c) 5 / 8 x 5 / 4 + 5 / 4 x 3 / 8
Tính :
a) 5 / 12 + 3 / 14 + 7 / 12
b) 15 / 14 x 17 / 18 x 28 / 15
c) 5 / 8 x 5 / 4 + 5 / 4 x 3 / 8