5 : 15 : 20 = \(\frac{1}{3}:20=\frac{1}{60}\)
Duyệt nhé
1\(\frac{1}{60}\) k cho mk 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. 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
tìm x biết 3+3/20+3/15+3/2015
5+5/20+5/15+5/2015=5/3
15/5 x 15/30 :20/31=??
a) 7/15 + 22/12 + 8/15 + 2/12 b) 9/7 + 16 / 20 + 4 / 20 + 5/7
tính thuận tiện
Điền dấu <, >, =
5 giờ 20 phút … 300 phút
1 3 giờ … 20 phút
495 giây … 8 phút 15 giây
1 5 phút … 1 3 phút.
phân số nào bằng 5 / 6
a ) 15 / 18 b) 15 / 20 c) 16 / 20 d) 12 / 16
giúp mình với mình đang cần gấp
Tính:
a)1/3+1/4+1/5+8/10+15/20+20/30
b)3-8/13-2/13-3/13
c)8/10+1/5-1/4-15/20
(/ là gạch ngang phân số)
Phân Số Nào Bằng 3/5
a. 15/20 b.12/25
c.12/15 d.9/15
20+45:5-15-5+11
4/5 bằng
a 20/16 b 16/20 c16/15 d12/16
