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คิดเลขเร็ว สมบัติการคูณเลขยกกำลัง

Authored by นางสาวภัทราภรณ์ โกษาแสง

Mathematics

7th Grade

Used 16+ times

คิดเลขเร็ว สมบัติการคูณเลขยกกำลัง
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2×222\times2^2  

 222^2  

 232^3  

 424^2  

2 242^4  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (3)4×(3)5\left(-3\right)^4\times\left(-3\right)^5  

 (3)9\left(-3\right)^9  

 (3)1\left(-3\right)^1  

 393^9  

 (9)9\left(-9\right)^9  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7×73×727\times7^3\times7^2  

 75-7^5  

 21621^6  

 767^6  

 757^5  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 9×349\times3^4  

 353^5  

 373^7  

 767^6  

 363^6  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a6b4×a2ba^6b^4\times a^2b^{ }  

 a8b4a^8b^4  

 a8b5a^8b^5  

 ab12a^{ }b^{12}  

 a5b8a^5b^8  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (5)3×56\left(-5\right)^3\times5^6  

 59-5^9  

 53-5^3  

 595^9  

 259-25^9  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (7)2×74\left(-7\right)^2\times7^4  

 76-7^6  

 72-7^2  

 49649^6  

 767^6  

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