本课配套习题挑战模式1/5
单选题
难度系数:
1.下列选项不是同类项的是()
A: -1和0 |
B: -4xy2z和-4x2yz2 |
C: -x2y和2yx2 |
D: -a3和4a3 |
一次做对,真牛!
+5奖励规则>
- 提示1:6ICD5a+f5ZCM57G76aG555qE5qaC5b+1
- 答案:Qg==
5omA5ZCr5a2X5q+N55u45ZCM77yM5bm25LiU55u45ZCM5a2X5q+N55qE5oyH5pWw5Lmf55u45ZCM55qE6aG55Y+r5ZCM57G76aG544CC5bi45pWw6aG55Lmf5piv5ZCM57G76aG5LkLpobnkuK08aW1nIHdpZHRoPTMxIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzczLzJFL3JCQUNFMVRJdExMU2hHMzhBQUFCbFhVd2tMNDY0My5wbmciPueahOaMh+aVsOWdh+S4jeebuOWQjA==
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列各对单项式中,不是同类项的是( )
A: 0与 |
B:与 |
C:与 |
D:与 |
一次做对,真牛!
+5奖励规则>
- 提示1:5ZCM57G76aG55a6a5LmJ5Lit55qE5Lik5Liq4oCc55u45ZCM4oCd77ya77yIMe+8ieaJgOWQq+Wtl+avjeebuOWQjO+8m++8iDLvvInnm7jlkIzlrZfmr43nmoTmjIfmlbDnm7jlkIw=
- 答案:RA==
ROmhueS4rWFi55qE5oyH5pWw5LiN55u45ZCM44CC5pWF5LiN5piv5ZCM57G76aG577yM6YCJRA==
本课配套习题挑战模式3/5
单选题
难度系数:
3.下列说法正确的是()
A: 字母a与b是同类项 |
B: 有理数23与(-3)2是同类项 |
C: 代数式xyz与abc是同类项 |
D: 代数式xyz与x2y2z2是同类项 |
一次做对,真牛!
+5奖励规则>
- 提示1:6ICD5a+f5ZCM57G76aG555qE5qaC5b+1
- 答案:Qg==
5omA5ZCr5a2X5q+N55u45ZCM77yM5bm25LiU55u45ZCM5a2X5q+N55qE5oyH5pWw5Lmf55u45ZCM55qE6aG55Y+r5ZCM57G76aG544CC5bi45pWw6aG55Lmf5piv5ZCM57G76aG544CC5pWF6YCJQuOAgg==
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列各组中,不是同类项的是
A: 3和0 |
B: |
C: xy与2pxy |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5ZCM57G76aG55qaC5b+157uG6IqC
- 提示2:5ZCM57G76aG55a6a5LmJ5Lit55qE5Lik5Liq4oCc55u45ZCM4oCd77ya77yIMe+8ieaJgOWQq+Wtl+avjeebuOWQjO+8m++8iDLvvInnm7jlkIzlrZfmr43nmoTmjIfmlbDnm7jlkIw=
- 答案:Qw==
Q+mhueS4reS4gOS4quWtl+avjeS4unh577yM5Y+m5LiA5Liq5Li6cHh5LOaVheS4jeespuWQiOWQjOexu+mhueamguW/te+8jOaJgOWQq+Wtl+avjeS4jeWQjOOAguaVhemAiUM=
本课配套习题挑战模式5/5
单选题
难度系数:
5.下列判断中正确的个数是( )(1)所含字母相同,次数也相同的项叫同类项(2)0.5a2bc3与-0.5a2bc3两项是同类项(3)与3是同类项(4)-1和是同类项(5)2x3y4与3x4y3是同类项;(6)是同类项
A: 3 |
B: 4 |
C: 5 |
D: 6 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5ZCM57G76aG555qE5a6a5LmJ
- 提示2:5ZCM57G76aG55a6a5LmJ5Lit55qE5Lik5Liq4oCc55u45ZCM4oCd77ya77yIMe+8ieaJgOWQq+Wtl+avjeebuOWQjO+8m++8iDLvvInnm7jlkIzlrZfmr43nmoTmjIfmlbDnm7jlkIw=
- 答案:QQ==
77yIMe+8ieagueaNruWQjOexu+mhueeahOWumuS5ie+8jOaJgOWQq+Wtl+avjeebuOWQjO+8jOebuOWQjOWtl+avjeeahOaMh+aVsOS5n+ebuOWQjOeahOmhueWPq+WQjOexu+mhue+8jOmUmeivr+OAgu+8iDLvvInvvIgz77yJ77yINO+8ieespuWQiOWumuS5ie+8jOato+ehruOAgu+8iDXvvInnm7jlkIzlrZfmr43nmoTmjIfmlbDkuI3nm7jlkIzvvIzkuI3mmK/lkIznsbvpobku77yINu+8ieWIhuW8j++8jOS4jeaYr+aVtOW8j+iMg+WbtO+8jOS4jeaYr+WQjOexu+mhueOAguaVhemAiUE=