4B专题20亏盈问题
Quiz
•
Mathematics
•
5th Grade
•
Practice Problem
•
Hard
Asmo Teacher
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
5
橙子每千克1.5+2.1=3令吉60仙。
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,
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
3
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,
2
所以每千克橘子(31.5-24)÷5=1令吉50仙,
4.
MATCH QUESTION
1 min • 1 pt
请作答。
5
5X =20
4
7-X=7-4=3
3
X =4
1
答:5令吉有3张,10令吉有4张
2
设5令吉X张,10令吉(7-X)张
5X+10(7-X)=50
5X+70-10X=50
5.
MATCH QUESTION
1 min • 1 pt
请作答。
3
4Y+28=24+24+5Y-50
1
4Y+28= -2 +5Y
4
(Yx4) + 28 = (4x6) + (6x4) + (Y-10)x5
5
Y=30
2
30个小朋友,148颗糖
6.
MATCH QUESTION
1 min • 1 pt
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,
1
粮店有3吨大米,而面粉比大米的3倍少2吨,
3
因此粮店的面粉有7吨。
7.
MATCH QUESTION
1 min • 1 pt
请作答。
2
42=1组*42人=2组*21人=3组*14人=6组*7人
1
答:每组6人时分为7组,每组7人时分为6组。
3
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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