Ch13_數值估算

Ch13_數值估算

7th Grade

18 Qs

quiz-placeholder

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Ch13_數值估算

Ch13_數值估算

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把下列各數捨入至二位有效數字。

3.846

3.8

3.9

3.84

4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把下列各數捨入至三位有效數字。

0.01259

0.01

1

0.0126

0.0125

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把下列各數捨入至四位有效數字。

1236.5

7

6

1236

1237

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把下列各數捨入至最接近的十位

246.89

24

4

240

250

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把下列各數捨入至最接近的千位

3758.43

4000

3000

3

3758

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把下列各數捨入至最接近的2位小數

23.648

23.64

23.65

2

0.64

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把下列各數上捨入一位有效數字

234.789

234

235

300

240

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