
數學課後班(運算律)
Authored by trista ng
Mathematics
4th Grade
Used 2+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
46×98+46×2=46×(98+2),這是根據( )進行簡便運算的。
乘法分配律
乘法交換律
乘法結合律
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
△×□×○=△×(□×○)這個等式可以表示( )。
乘法交換律
乘法結合律
乘法分配律
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
87×98的積( )98×87的積
大於
小於
不一定
相等
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
交換兩個因數的位置,( ),這叫做乘法交換律。
和不變
積不變
差不變
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
78÷6和下面哪一個算式的得數相等?( )
78÷2÷3
78÷2×3
78÷3×2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在乘法計算中,可以把兩個因數交換位置再乘一次來驗算,這是應用了( ).
乘法交換律
乘法結合律
乘法交換律和結合律
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知△×□=○,下面等式中不正確的是( )。
□×△=○
○÷△=□
○÷□=△
□×○=△
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