下面是小明利用短除法計算90 和72 最小公倍數的過程。
請問下列敘述何者錯誤?
六甲113學力

Quiz
•
Mathematics
•
6th Grade
•
Medium
Jaibi Basara
Used 7+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
B × C = 36
B × D × 5 = A
2 × B × D × 5 = 90
2 × B × D × 5 × E = 90 × 72
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
第一層
第二層
第三層
第四層
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
a 一定是質數
a 不是 2 的倍數
a 和 12 的最大公因數是 1
a 和 12 的最小公倍數是 12 × a
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
已知「3 × y + 25 × 999 = 99999」,請問(3 × y + 25 × 999) × 3 + 3 = ?
25008
100002
299997
300000
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
左邊是某飲料的舊包裝,右邊是新包裝。
已知新包裝額外免費贈送20%,也就是新包裝比舊包裝多了50c.c.,
請問舊包裝的飲料有多少c.c.?
200
250
300
350
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
王叔叔以時速3.6 公里的速率走路,大約走20 分鐘可以到公司且剛好
趕上8 點整的打卡。今天晚了5 分鐘出門,請問王叔叔必須以時速
多少公里走路,才能剛好趕上8 點整的打卡?
2.88
4
4.8
5.2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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