
南一國小數學4下ch4-5
Authored by 數學 南一
Mathematics
4th Grade
Used 51+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有三個數342、167和319,用哪一種方法取概數到百位,再將三個數相加的結果最小?
無條件進入法
四捨五入法
無條件捨去法
用每種方法的結果都一樣大
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有三個數524、389和436,用哪一種方法取概數到百位,再將三個數相加的結果最接近原數相加的結果?
無條件進入法
四捨五入法
無條件捨去法
用每種方法的結果都一樣大
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有三個數6231、6359和6128,用哪一種方法取概數到百位,再將三個數相加的結果最大?
無條件進入法
四捨五入法
無條件捨去法
用每種方法的結果都一樣大
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一組環繞音響設備原價6501元,打折後價格是5999元,大約便宜了幾元?先用四捨五入法取概數到百位,再算算看。
600元
500元
300元
400元
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個電子鍋售價2999元,一個烤箱售價1999元,各買一個大約花了幾元?先用四捨五入法取概數到千位,再算算看。
6000元
3000元
4000元
5000元
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有三個數231、359和128,用哪一種方法取概數到百位,再將三個數相加的結果最大?
無條件捨去法
四捨五入法
無條件進入法
用每種方法的結果都一樣大
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有三個數4528、5006和2951,用哪一種方法取概數到千位,再加總的值最大?
無條件捨去法
無條件進入法
四捨五入法
用每種方法的結果都一樣大
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