1-2 去括號
Authored by YC Chiang
Mathematics
7th Grade
Used 4+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
小華欠了小美2元，又向小美借了3元，用數學式子表示小華欠小美的總金額。
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
小華欠了小美2元，又向小美借了3元，小華總共欠小美的總金額為何？
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
去括號並計算：5＋8 – ( – 2) = ?
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
去括號並計算：( – 5)＋8 – ( – 2) = ?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
去括號並計算：13 – (13 – 2) = ?
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
去括號並計算：( – 19 ) + (9 + 19) = ?
= ( – 19 ) + 9 – 19
= – 10 – 19
= – 29
= ( – 19 ) + 9 + 19
= 9
= ( – 19 ) – 9 – 19
= – ( 19 + 9 + 19 )
= – 47
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
請選出正確的計算過程：14 – (14 + 4) = ?
= 14 – 14 + 4
= 4
= 14 – 14 – 4
= 0 – 4
= – 4
= 14 + 14 – 4
= 24
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