本课配套习题挑战模式1/5
单选题
难度系数:
1.210可写成( )
A: 22×25 |
B: 52+55 |
C: (25)10 |
D: (25)2 |
一次做对,真牛!
+5奖励规则>
- 提示1:5bmC55qE5LmY5pa577yM5bqV5pWw5LiN5Y+Y77yM5oyH5pWw55u45LmYPGltZyB3aWR0aD05NCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC83My8xOC9yQkFDRTFUSWtlU1M2WkIxQUFBQ1JyaXl0X00wNjcucG5nIj4=
- 答案:RA==
6Kej562U77ya4oi1PGltZyB3aWR0aD04MCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRS9BNC9yQkFDSmxUSWtlZUFyU2J6QUFBQ0xrVFFTOFk5NzMucG5nIj48YnI+MjxzdXA+MTA8L3N1cD7lj6/lhpnmiJA8aW1nIHdpZHRoPTMyIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FBLzFEL3JCQUNGRlRJa2VlQkhhM2xBQUFCa1VWeXBDZzYzNC5wbmciPjxicj7mlYXpgIlE
本课配套习题挑战模式2/5
单选题
难度系数:
2.计算(2x3y)2的结果是( )
A: 4x6y2 |
B: 2x6y12 |
C: 4x5y2 |
D: 8x5y2 |
一次做对,真牛!
+5奖励规则>
- 提示1:56ev55qE5LmY5pa5562J5LqO56ev55qE5q+P5LiA6aG55YiG5Yir5LmY5pa5PGltZyB3aWR0aD0zMyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRS9FMy9yQkFDSjFUSWtlMmlMUFNOQUFBQnVlOVMzXzA1NzIucG5nIj49PGltZyB3aWR0aD0zMSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83My8xOC9yQkFDRTFUSWtlMkJkeTFIQUFBQm9qdkNfM005MzYucG5nIj4=
- 答案:QQ==
6Kej562U77ya4oi1PGltZyB3aWR0aD00OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRS9FMy9yQkFDSjFUSWtlM2lzZ3ppQUFBQ0E4NS1RWDA3MjcucG5nIj49IDR4PHN1cD42PC9zdXA+eTxzdXA+Mjwvc3VwPjxicj7mlYXpgIlB
本课配套习题挑战模式3/5
单选题
难度系数:
3.计算(-a2)5+(-a5)2的结果是( )
A: 0 |
B: 2a10 |
C: -2a10 |
D: 2a7 |
一次做对,真牛!
+5奖励规则>
- 提示1:5bmC55qE5LmY5pa577yM5bqV5pWw5LiN5Y+Y77yM5oyH5pWw55u45LmY
- 提示2:5bmC55qE5LmY5pa577yM5bqV5pWw5LiN5Y+Y77yM5oyH5pWw55u45LmYPGltZyB3aWR0aD05NCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC83My8xOC9yQkFDRTFUSWtlU1M2WkIxQUFBQ1JyaXl0X00wNjcucG5nIj4=
- 答案:QQ==
6Kej562U77ya4oi1KC1hPHN1cD4yPC9zdXA+KTxzdXA+NTwvc3VwPis8aW1nIHdpZHRoPTQzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0E0L3JCQUNKbFRJa2VTai1KSjlBQUFCdGpPWC1sRTc0MC5wbmciPj08aW1nIHdpZHRoPTkzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzNFL0UzL3JCQUNKMVRJa2VUZzZtcW1BQUFCMExiQVl1TTY0MS5wbmciPjxicj7mlYXpgIlB
本课配套习题挑战模式4/5
单选题
难度系数:
4.如果(a3b4)n=a6bm成立,那么m,n的值分别为()
A: m=8,n=2 |
B: m=4,n=2 |
C: m=6,n=2 |
D: m=8,n=1 |
一次做对,真牛!
+5奖励规则>
- 提示1:56ev55qE5LmY5pa5562J5LqO56ev55qE5q+P5LiA6aG55YiG5Yir5LmY5pa5PGltZyB3aWR0aD0zMyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRS9FMy9yQkFDSjFUSWtlMmlMUFNOQUFBQnVlOVMzXzA1NzIucG5nIj49PGltZyB3aWR0aD0zMSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83My8xOC9yQkFDRTFUSWtlMkJkeTFIQUFBQm9qdkNfM005MzYucG5nIj4=
- 答案:QQ==
6Kej562U77ya4oi1KGE8c3VwPjM8L3N1cD5iPHN1cD40PC9zdXA+KTxzdXA+bjwvc3VwPj08aW1nIHdpZHRoPTkzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0E0L3JCQUNKbFRJa2ZEaVN6OG1BQUFDYW9GQS1XRTU4NS5wbmciPjxicj7iiLQzbj02LG09NG48YnI+4oi0bj0yLG09ODxicj7mlYXpgIlB
本课配套习题挑战模式5/5
单选题
难度系数:
5.下列式子中与a3m+1一定相等的是( )
A: (am+1)3 |
B: (a3)m+1 |
C: a·(a3)m |
D: a·a2·am |
一次做对,真牛!
+5奖励规则>
- 提示1:5bmC55qE5LmY5pa577yM5bqV5pWw5LiN5Y+Y77yM5oyH5pWw55u45LmY
- 提示2:5ZCM5bqV5bmC55u45LmY77yM5bqV5pWw5LiN5Y+Y77yM5oyH5pWw55u45Yqg
- 答案:Qw==
6Kej562U77ya4oi1PGltZyB3aWR0aD0xNzYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvM0UvRTMvckJBQ0oxVElrZXJ5X0JqWEFBQUN3X3N6X2RrNjcxLnBuZyI+PGJyPuaVhemAiUM=