Các câu hỏi tương tự
02:40
07:19
Phép tính: \dfrac{6}{7}-\dfrac{4}{7}=\dfrac{6-4}{7}=\dfrac{2}{7}.
7
6
−
7
4
=
7
6−4
=
7
2
.
Nhận xét:
Mẫu số của phân số \dfrac{2}{7}
7
2
mẫu số của phân số \dfrac{6}{7}
7
6
và phân số \dfrac{4}{7}.
7
4
.
Tử số của phân số \dfrac{2}{7}
7
2
bằng của tử số phân số \dfrac{6}{7}
7
6
và tử số phân số \dfrac{4}{7}.
7
4
.
Help me please!
a) 60 × (7/12 + 4/15) =
b) 5/6 ×( 6/5 - 6/7 ) =
c) 1/2 × 2/3 × 3/4 × 4/5 × 5/6× 6/7 × 7/8 × 8/9 =
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
tính nhanh
1/7+5/6+4/7+3/6+2/7+4/6 = ?
15 tháng 3 2023 lúc 19:16
5km2 400m2 = .......... m2
18000000m2 = km2
điền dấu >,<,=
5/4....3/4 5/6....6/5 6/8......3/4 7/3....7/5
rút gọn phân số
4/6 = ...................
5/15 = ..................
7/14 = ...............
6/24 = ..................
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 nhanh
4/7*5/6+4/7*5/6+4/7
Câu hỏi : a) 1/7 + 2/7 + 3/7 + 4/7 + 5/7 + 6/7 = ?
b) 1/2 + 2/4 + 3/6 + 4/8 + 5/10 + 6/12 = ?
Bạn nào trả lời mình like cho. Mình cần gấp
a, 7/15 + 8/15 + 9/16 +7/16=
b, 4/7 * 5/6 + 4/7 * 1/6
a,\(\dfrac{2}{9}+\dfrac{1}{6}\)
b,\(\dfrac{5}{6}-\dfrac{4}{7}\)
c,\(\dfrac{3}{8}\)x\(\dfrac{6}{15}\)
d,\(\dfrac{7}{12}:\dfrac{4}{7}\)
e,\(\dfrac{4}{7}:3\)