數學練習/代數/代數指數

仔細計算問題； 使用^寫指數。

1

$6x\times \!x=$

2

$y\times \!y\times \!y=$

3

$3x\times 6y=$

4

$5x^{2}\times 3xy=$

5

$3y^{3}\times 6xy\times 2x^{2}=$

6

$2x^{3}y^{2}\times 3yz=$

7

$3yz\times 5z^{2}=$

8

$4x^{5}\times 3x^{3}y^{5}=$

9

$7x^{2}\times 5y^{2}z\times 5z=$

10

$3y\times 4xy^{4}=$

11

$(5xy\times 6x^{2}y^{3})\div (3y^{5})=$

12

$3x^{2}\times 6xy^{3}=$

13

$4y^{2}z\times 3xy\div (2x^{5})=$

14

$5x^{3}\div (10x^{2}y^{3})\times 5xy=$

15

$(6x)^{3}\times (5y)^{4}=$