根式的意義

Authored by NGJH NANTOU

Mathematics

7th Grade

Used 6+ times

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求 $\sqrt[]{4^2}=?$

$4$

$\pm4$

$\sqrt[]{4}$

$\pm\sqrt[]{4}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$9$ 的平方根=?

$\pm3$

$3$

$\pm\sqrt[]{3}$

$\sqrt[]{3}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$144$ 的平方根=?

$\pm12$

$12$

$\pm\sqrt[]{12}$

$\sqrt[]{12}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$289$ 的平方根=?

$\pm17$

$17$

$\pm\sqrt[]{17}$

$\sqrt[]{17}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$324$ 的平方根=?

$\pm18$

$18$

$\pm\sqrt[]{18}$

$\sqrt[]{18}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\frac{361}{196}$ 的平方根=?

$\pm\frac{19}{14}$

$\frac{19}{14}$

$\pm\sqrt[]{\frac{19}{14}}$

$\sqrt[]{\frac{19}{14}}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\frac{49}{225}$ 的平方根=?

$\pm\frac{7}{15}$

$\frac{7}{15}$

$\pm\sqrt[]{\frac{7}{15}}$

$\sqrt[]{\frac{7}{15}}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$-81$ 的平方根=?

$\pm9$

$9$

$-9$

不存在

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$2\frac{1}{4}$ 的平方根=?

$\pm\frac{3}{2}$

$\frac{3}{2}$

$\pm1\frac{1}{4}$

$\pm\frac{5}{4}$

10.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$0.01$ 的平方根=?

$\pm0.1$

$0.1$

$\pm\sqrt[]{0.1}$

$\sqrt[]{0.1}$

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根式的意義

求 42=?\sqrt[]{4^2}=?42​=?

999 的平方根=?

144144144 的平方根=?

289289289 的平方根=?

324324324 的平方根=?

361196\frac{361}{196}196361​ 的平方根=?

49225\frac{49}{225}22549​ 的平方根=?

−81-81−81 的平方根=?

2142\frac{1}{4}241​ 的平方根=?

0.010.010.01 的平方根=?

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求 $\sqrt[]{4^2}=?$

$9$ 的平方根=?

$144$ 的平方根=?

$289$ 的平方根=?

$324$ 的平方根=?

$\frac{361}{196}$ 的平方根=?

$\frac{49}{225}$ 的平方根=?

$-81$ 的平方根=?

$2\frac{1}{4}$ 的平方根=?

$0.01$ 的平方根=?