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南一國中數學1下ch3-1

Authored by 數學 南一

Mathematics

7th Grade

Used 5+ times

南一國中數學1下ch3-1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知6.5:2.6=m:1=-2:n,則mn=?

-0.85

-0.4

1.25

1.7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知某一長方形寬與長之比為11:13,現在將長方形的寬與長同時加上同一長度後,則其寬與長之比值可為下列何者?

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

不能確定

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

甲公司為促銷某種瓶裝飲料,提出ABC三個降價方案,A案為原售價打七折,B案為買二送一,C案為容量增加百分之三十,且售價不變,則下列何者降價最多?

A

B

C

三案一樣多

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2:3

3:5

5:7

7:9

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

男女生若干人開會,女生走15人之後,男女生人數的比為2:1;後來男生再走了30人,則男女生人數的比為4:3,試問原來男生比女生多幾人?

28

30

32

34

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

某次平常考,檢討時發現有一個題目數據給錯,故每個學生都加6分。已知加分前,小美小真的成績比是4:3,加分後,兩人的成績比是13:10,則下列哪一個敘述是正確的?

小美加分前是84分

小美加分後是78分

小真加分前是60分

小真加分後是54分

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