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南一五下ch10列出未知數

Authored by 蘇莉雯 蘇莉雯

Mathematics

1st - 5th Grade

Used 14+ times

南一五下ch10列出未知數
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

題目中的未知數只能用x表達,其餘的符號都不行。

o

x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小葵今年y歲,5年前她是(5-y)歲。

o

x

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

姐姐x歲,比妹妹大5歲,妹妹的歲數可以用(x+5)來表示。

o

x

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把兩個各重X公斤的鐵塊放在一起,共重2 x X公斤。

o

x

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把18顆糖果分給x個小朋友,每人可分得 (18-x)顆。

o

x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

媽媽的年齡是妹妹的2倍,若媽媽x歲,妹妹的年齡是(x÷2)歲。

o

x

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哥哥存的錢比弟弟多250元,若哥哥有x元,弟弟有(x-250)元。

o

x

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