2 - 6/7 = ..../7 - 6/7 = ..../7
>, <, =?
7…6 | 2…5 | 7…3 | 6….6 |
7…4 | 5…7 | 3…1 | 6…7 |
7…2 | 2…7 | 7…1 | 7…7 |
Lời giải chi tiết:
7 > 6 | 2 < 5 | 7 > 3 | 6 = 6 |
7 > 4 | 5 < 7 | 3 > 1 | 6 < 7 |
7 > 2 | 2 < 7 | 7 > 1 | 7 = 7 |
7 > 6 | 2 < 5 | 7 > 3 | 6 = 6 |
7 > 4 | 5 < 7 | 3 > 1 | 6 < 7 |
7 > 2 | 2 < 7 | 7 > 1 | 7 =7 |
7 > 6 7 > 4
2 < 5 5 < 7
7 > 3 3 > 1
6 = 6 6 < 7
9+2+5+3+7+8+4+7+4+7+2+4+2+9+6+4+65+6+7+4+6+4+6+3+7+4+8+5+9+08+87+1+2+3+4+2+3+2+5+6+767+5+75+6+4+6+5+66+5+7+546+46+43+6+3+6+4+6+7+8878+68+68+6+7+9+9
\(9+2+5+3+7+8+4+2+9+6+4+65+6+7+4+6+3+7+4+8+5+9+08+87+1+2+3+4+2+3+2+5+6+767+5+75+6+4+6+5+66+5+7+546+46+43+6+3+6+4+6+7+8878+68+68+6+7+9+9=10961\)
2 +4+9+7+5+6+7+8+8+4+6+7+4+6+4+6+6+6+8+4+7+6+7+6
a.(3^5.3^7):3^10+5.2^4-7^3:7
b.3^2[(5^2-3):11]-2^4+2.10^3
c.(6^2007-6^2006):6^2006
d.(5^2001-5^2000):5^2000
e.(7^2005+7^2004):7^2004
f.(5^7+7^5).(6^8+8^6).(2^4-4^2)
g.(7^5+7^9).(5^4+5^6).(3^3.3-9^2)
h.[(5^2.2^3-7^2.2):2].6-7.2^5
mng giúp e vs e c.ơn
7 x 2 = ..... 7 x 4 = ..... 7 x 6 = ..... 7 x 3 = .....
2 x 7 = ..... 4 x 7 = ..... 6 x 7 = ..... 3 x 7 = .....
14 : 7 = ..... 28 : 7 = ..... 42 : 7 = ..... 21 : 7 = .....
14 : 2 = ..... 28 : 4 = ..... 42 : 6 = ..... 21 : 3 = .....
7 x 2 = 14 7 x 4 = 28 7 x 6 = 42 7 x 3 = 21
2 x 7 = 14 4 x 7 = 28 6 x 7 = 42 3 x 7 = 21
14 : 7 = 2 28 : 7 = 4 42 : 7 = 6 21 : 7 = 3
14 : 2 = 7 28 : 4 = 7 42 : 6 = 7 21 : 3 = 7
>, <, = ?
3 + 4 … 6 | 6 + 1 … 6 | 5 + 1 … 6 |
3 + 4 … 7 | 5 + 2 … 6 | 7 – 5 … 3 |
7 – 4 … 4 | 7 – 2 … 5 | 7 – 6 … 1 |
Lời giải chi tiết:
3 + 4 > 6 | 6 + 1 > 6 | 5 + 1 = 6 |
3 + 4 = 7 | 5 + 2 > 6 | 7 – 5 > 3 |
7 – 4 < 4 | 7 – 2 = 5 | 7 – 6 = 1 |
Tính:
6 + 1 = 5 + 2 = 4 + 3 =
1 +6 = 2 + 5 = 3 + 4 =
7 - 6 = 7 -5 = 7 - 4 =
7 - 1 = 7 -2 = 7 - 3 =
6 + 1 = 7 5 + 2 = 7 4 + 3 = 7
1 + 6 = 7 2 + 5 = 7 3 + 4 = 7
7 - 6 = 1 7 - 5 = 2 7 - 4 = 3
7 - 1 = 6 7 - 2 = 5 7 - 3 = 4
6+1=7
1+6=7
7-6=1
7-1=6
5+2=7
2+5=7
7-5=2
7-2=5
4+3=7
3+4=7
7-4=3
7-3=4
Tính:
4 + 3 = … | 5 + 2 = … | 6 + 1 = … |
3 + 4 = … | 2 + 5 = … | 1 + 6 = … |
7 – 4 = … | 7 – 5 = … | 7 – 6 = … |
7 – 3 = … | 7 – 2 = … | 7 – 1 = … |
Lời giải chi tiết:
4 + 3 = 7 | 5 + 2 = 7 | 6 + 1 = 7 |
3 + 4 = 7 | 2 + 5 = 7 | 1 + 6 = 7 |
7 – 4 = 3 | 7 – 5 = 2 | 7 – 6 = 1 |
7 – 3 = 4 | 7 – 2 = 5 | 7 – 1 = 6 |