互質的兩個整數,下列敘述何者正確?

六年級數學期中考

Quiz
•
Health Sciences
•
6th Grade
•
Medium
仲廷 蕭
Used 1+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
最大公因數為1
最小公倍數為兩數相乘的積
兩個整數不一定為奇數
以上皆是
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列那一組質因數分解是正確?
28=4×7;39=3×13
46=2×23;18=3×6
57=3×19;35=5×7
72=6×9;15=3×5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問 7/8 ÷ 3/4 不等於下面哪一個算式?
7/8 ÷ 6/8
7/8 × 4/3
7/8 × 8/6
8/7 × 3/4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個數不是正方形數?
39
49
121
169
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
民國112年時,宜靜9歲,弟弟的年齡是她的三分之二,當宜靜36歲時,弟弟幾歲?
24歲
27歲
30歲
33歲
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燈泡裝飾在聖誕樹上,依序是紅、橙、黃、綠、藍、靛、紫,請問第87顆是?色
靛
藍
黃
以上皆非
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問以下小數的除法原則,哪一個不正確?
餘數的小數點要與被除數原來的小數點對齊
商的小數點要與被除數原來的小數點對齊
被除數小數點移動的位數,是按照除數小數點移動的位數
先把除數變成整數
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