本课配套习题挑战模式2/5
单选题
难度系数:
2.下列说法正确的是( )
A: -4的立方是64 |
B: 0.1的立方根是0.001 |
C: 4的算术平方根是16 |
D: 9的平方根是±3 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u566X5pyv5bmz5pa55qC577yM5bmz5pa55qC577yM56uL5pa55qC577yM5Y2z5Y+v6Kej562U77yO
- 答案:RA==
6Kej77yaQeOAgS0055qE56uL5pa55pivLTY077yM5pWF6ZSZ6K+v77ybPGJyPkLjgIEwLjHnmoTnq4vmlrnmoLnmmK88aW1nIHdpZHRoPTI5IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzkxLzk3L3JCQUNKbFdiZkREVERXSDlBQUFCb1FrbjM0TTM5Ni5wbmciPu+8jOaVhemUmeivr++8mzxicj5D44CBNOeahOeul+acr+W5s+aWueagueaYrzLvvIzmlYXplJnor6/vvJs8YnI+ROOAgTnnmoTlubPmlrnmoLnmmK/CsTPvvIzmraPnoa7vvJs8YnI+5pWF6YCJ77yaRO+8jg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.下列说法正确的有( )个
(1)25的立方根是5;
(2)互为相反数的两个数,它们的立方根也互为相反数;
(3)任何数的立方根只有一个;
(4)如果一个数的平方根与其立方根相同,则这个数是1.
(1)25的立方根是5;
(2)互为相反数的两个数,它们的立方根也互为相反数;
(3)任何数的立方根只有一个;
(4)如果一个数的平方根与其立方根相同,则这个数是1.
A: 1个 |
B: 2个 |
C: 3个 |
D: 4个 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u56uL5pa55qC555qE5a6a5LmJ5ZKM5bmz5pa55qC555qE5a6a5LmJ6L+b6KGM5YiG5p6Q5Yik5pat5Y2z5Y+v77yO
- 答案:Qg==
6Kej77ya77yIMe+8iTEyNeeahOeri+aWueagueaYrzXvvIzplJnor6/vvJs8YnI+77yIMu+8ieS6kuS4uuebuOWPjeaVsOeahOS4pOS4quaVsO+8jOWug+S7rOeahOeri+aWueagueS5n+S6kuS4uuebuOWPjeaVsO+8jOato+ehru+8mzxicj7vvIgz77yJ5Lu75L2V5pWw55qE56uL5pa55qC55Y+q5pyJ5LiA5Liq77yM5q2j56Gu77ybPGJyPu+8iDTvvInlpoLmnpzkuIDkuKrmlbDnmoTlubPmlrnmoLnmnInkuKTkuKrvvIzmlYXor7Tms5XplJnor6/vvJs8YnI+5pWF6YCJQu+8jg==
本课配套习题挑战模式4/5
单选题
难度系数:
4.如果+
A: a=b=0 |
B: a=b |
C: a+b=0 |
D: ab=0 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u56uL5pa55qC555qE5ZKM5Li6MO+8jOWPr+W+l+iiq+W8gOaWueaVsOS6kuS4uuebuOWPjeaVsO+8jOWPr+W+l+etlOahiO+8jg==
- 答案:Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.下列说法正确的是( )
A: 立方根是它本身的数只能是0和1 |
B: 立方根与平方根相等的数只能是0和1 |
C: 算术平方根是它本身的数只能是0和1 |
D: 平方根是它本身的数只能是0和1 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u56uL5pa55qC544CB5bmz5pa55qC544CB566X5pyv5bmz5pa55qC555qE5qaC5b+15a+55ZCE6YCJ6aG55L2c5Ye65Yik5pat5Y2z5Y+v77yO
- 答案:Qw==
6Kej77yaQeOAgeeri+aWueagueaYr+Wug+acrOi6q+eahOaVsOaciS0x77yMMO+8jDHvvIzmlYXmnKzpgInpobnplJnor6/vvJs8YnI+QuOAgeeri+aWueagueS4juW5s+aWueagueebuOetieeahOaVsOWPquiDveaYrzDvvIzmlYXmnKzpgInpobnplJnor6/vvJs8YnI+Q+OAgeeul+acr+W5s+aWueagueaYr+Wug+acrOi6q+eahOaVsOWPquiDveaYrzDlkowx77yM5pWF5pys6YCJ6aG55q2j56Gu77ybPGJyPkTjgIHlubPmlrnmoLnmmK/lroPmnKzouqvnmoTmlbDlj6rog73mmK8w77yM5pWF5pys6YCJ6aG56ZSZ6K+v77ybPGJyPuaVhemAiUPvvI4=