本课配套习题挑战模式1/5
单选题
难度系数:
1.式子:①3<5;②4x+5>0;③x=3;④x2+x;⑤x≠-4;⑥x+2≥x+1.其中是不等式的有( )
A: 2个 |
B: 3个 |
C: 4个 |
D: 5个 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5LiN562J5byP55qE5qaC5b+177ya55So4oCc77ye4oCd5oiW4oCc77yc4oCd5Y+36KGo56S65aSn5bCP5YWz57O755qE5byP5a2Q77yM5Y+r5YGa5LiN562J5byP77yM55So4oCc4omg4oCd5Y+36KGo56S65LiN562J5YWz57O755qE5byP5a2Q5Lmf5piv5LiN562J5byP6L+b6KGM5YiG5p6Q5Y2z5Y+v77yO
- 答案:Qw==
6Kej77ya4pGgM++8nDXvvJvikaE0eCs177yeMO+8m+KRpHjiiaAtNO+8m+KRpXgrMuKJpXgrMeaYr+S4jeetieW8j++8jDxicj7iiLTlhbE05Liq5LiN562J5byP77yOPGJyPuaVhemAiUPvvI4=
本课配套习题挑战模式3/5
单选题
难度系数:
3.今年西安市4月份最低气温4℃,最高气温33℃,则西安市该月份气温t(℃)的变化范围是( )
A: t>4 |
B: t≤33 |
C: 4<t<33 |
D: 4≤t≤33 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5LiN562J5byP55qE5a6a5LmJ6L+b6KGM6Kej562U5Y2z5Y+v77yO
- 答案:RA==
6Kej77ya4oi16KW/5a6J5biCNOaciOS7veacgOS9juawlOa4qTTihIPvvIzmnIDpq5jmsJTmuKkzM+KEg++8jDxicj7iiLTopb/lronluILor6XmnIjku73msJTmuKl077yI4oSD77yJ55qE5Y+Y5YyW6IyD5Zu05piv77yaNOKJpHTiiaQzM++8jjxicj7mlYXpgInvvJpE77yO
本课配套习题挑战模式4/5
单选题
难度系数:
4.下面说法正确的是( )
A: x=3是不等式2x>3的一个解 |
B: x=3是不等式2x>3的解集 |
C: x=3是不等式2x>3的唯一解 |
D: x=3不是不等式2x>3的解 |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWI6Kej5Ye65LiN562J5byP55qE6Kej6ZuG77yM5Yik5pat5ZCE5Liq6YCJ6aG55piv5ZCm5Zyo6Kej6ZuG5YaF5bCx5Y+v5Lul6L+b6KGM5Yik5pat77yO
- 答案:QQ==
6Kej77ya6Kej5LiN562J5byPMnjvvJ4z55qE6Kej6ZuG5piveO+8njxpbWcgd2lkdGg9NyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9DNy9BQi9yQkFDRTFXYm1UZng5eDVaQUFBQk56djlnMlk1NDYucG5nIj7vvIw8YnI+QeOAgXg9M+aYr+S4jeetieW8jzJ477yeM+eahOS4gOS4quino+ato+ehru+8mzxicj5C44CBeD0z5piv5LiN562J5byPMnjvvJ4z55qE6Kej6ZuG77yM5pWF6ZSZ6K+v77ybPGJyPkPjgIHplJnor6/vvJvkuI3nrYnlvI/nmoTop6Ppm4bmnInml6DmlbDkuKrvvJs8YnI+ROOAgemUmeivr++8jjxicj7mlYXpgIlB77yO
本课配套习题挑战模式5/5
单选题
难度系数:
5.不等式3x+5≥2的解集在数轴上表示正确的是( )
A: ![]() |
B: ![]() |
C: ![]() |
D: ![]() |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u6Kej5LiN562J5byP77yM5Y+v5b6X5LiN562J5byP55qE6Kej6ZuG77yM5qC55o2u5LiN562J5byP55qE6Kej6ZuG5Zyo5pWw6L205LiK55qE6KGo56S65pa55rOV77yM5Y+v5b6X562U5qGI77yO
- 答案:Qg==
6Kej77yaM3grNeKJpTLvvIzop6Plvpd44omlLTHvvIw8YnI+5pWF6YCJ77yaQu+8jg==