2022年数学中考专题：有理数（一）

2021

$-2021$

$\frac{1}{2021}$

$-\frac{1}{2021}$

$-1$

0

1

2

$-2021$

2021

$-\frac{1}{2021}$

$\frac{1}{2021}$

$-2021$

2021

$\frac{1}{2021}$

$-\frac{1}{2021}$

$-\frac{1}{3}$

$\frac{1}{3}$

3

$-3$

100

$-100$

$\frac{1}{100}$

$-\frac{1}{100}$

$\sqrt{3}$

$\frac{9}{2}$

$4\sqrt{3}$

9

2

1

$-1$

$-2$

$0.10909\times {10}^5$

$1.0909\times {10}^4$

$10.909\times {10}^3$

$109.09\times {10}^2$

$1.004\times {10}^6$

$1.004\times {10}^7$

$0.1004\times {10}^8$

$10.04\times {10}^6$

$5.46\times {10}^2$

$5.46\times {10}^3$

$5.46\times {10}^6$

$5.46\times {10}^7$

0.192

1.92

19.2

192

$218\times {10}^6$

$21.8\times {10}^7$

$2.18\times {10}^8$

$0.218\times {10}^9$