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4B专题20亏盈问题

Authored by Asmo Teacher

Mathematics

5th Grade

Used 1+ times

4B专题20亏盈问题
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

请作答。

6人,39颗

7人,40颗

8人,41颗

9人,42颗

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

请作答。

8x8=64 满足在60和70之间

9x9=81 满足在80和90之间

10x10=100满足在100和110之间

7x7=49 满足在40和50之间

3.

MATCH QUESTION

1 min • 1 pt

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1

根据买橙子15千克,差4令吉;若买橘子20千克,则多20令吉,

3

所以每千克橘子(31.5-24)÷5=1令吉50仙,

2

4+20=24令吉,还要差5千克的橘子,也就是24+5千克橘子=31.5,

5

橙子每千克1.5+2.1=3令吉60仙。

4

据题分析,橘子要比橙子便宜,每千克橘子比每千克橙子便宜2令吉10仙。
那么15千克橙子比20千克橘子贵:15*2.1=31令吉50仙

4.

MATCH QUESTION

1 min • 1 pt

Media Image

请作答。

5

X =4

1

7-X=7-4=3

2

答:5令吉有3张,10令吉有4张

3

设5令吉X张,10令吉(7-X)张
5X+10(7-X)=50
5X+70-10X=50

4

5X =20

5.

MATCH QUESTION

1 min • 1 pt

Media Image

请作答。

5

4Y+28=24+24+5Y-50

1

30个小朋友,148颗糖

2

(Yx4) + 28 = (4x6) + (6x4) + (Y-10)x5

3

4Y+28= -2 +5Y

4

Y=30

6.

MATCH QUESTION

1 min • 1 pt

Media Image

请作答。

2

也就是面粉的重量等于3乘以3减去2等于7吨,

3

因此粮店的面粉有7吨。

1

粮店有3吨大米,而面粉比大米的3倍少2吨,

7.

MATCH QUESTION

1 min • 1 pt

Media Image

请作答。

3

42=1组*42人=2组*21人=3组*14人=6组*7人

2

答:每组6人时分为7组,每组7人时分为6组。

1

所以,可以分成7组,每组6人;还可以分成6组,每组7人。

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