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數學課後班(運算律)

Authored by trista ng

Mathematics

4th Grade

Used 2+ times

數學課後班(運算律)
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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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