七上數學公因數公倍數應用問題
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
a=60,b=48,
且〔a,b〕=(a,b)×k,則 k=?
10
20
30
40
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
翰翰將三條長分別為 72 公分、84 公分、96 公分的繩子剪成等長的小線段,且每段長需為整數,則最少共可剪成多少段?
12
18
21
27
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
若設定 aΘb 表示兩個正整數 a 和 b 最小公倍數減去最大公因數的差,例如:10Θ14=70-2=68,求 12Θ21=?
87
85
83
81
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
老林試著將 162 顆糖果和 198 片巧克力裝盒,每個盒子都裝有糖果和巧克力,且每個盒子內的糖果和巧克力數量相同,則在裝最多盒的情形下,每個盒子內的糖果和巧克力各有幾個?
9 顆糖果,11 片巧克力
18 顆糖果,22 片巧克力
27 顆糖果,33 片巧克力
根本無法均勻分配
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
甲、乙、丙三人繞著一周長為 300 公尺的運動場慢跑,甲每秒跑 4 公尺,乙每秒跑 5 公尺,丙每秒跑 6 公尺。若三人同時同地同方向出發,則幾秒後三人再次會合於原出發點?
300
240
200
160
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列哪一個是 24×52×11 和 22×33×74 的最小公倍數?
24
22×3×5×7×11
22×32×52×74×11
24×33×52×74×11
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
下列哪一個是 23×32×7 和 22×33×72 的最大公因數?
1
2×3×7
22×32×7
23×33×72
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