Question

name :
score :
teacher :
date :
\\(\

$$\begin{array}{c}\\ \\ \\ 5 \\\\\\ \\ \\ \\ \\times 9 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 5 \\\\\\ \\ \\ \\ \\times 9 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 2 \\\\\\ \\ \\ \\ \\times 9 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 8 \\\\\\ \\ \\ \\ \\times 3 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 4 \\\\\\ \\ \\ \\ \\times 4 \\\\\\ \\hline\\end{array}$$

\\)
\\(\

$$\begin{array}{c}\\ \\ \\ 8 \\\\\\ \\ \\ \\ \\times 4 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 5 \\\\\\ \\ \\ \\ \\times 3 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 8 \\\\\\ \\ \\ \\ \\times 3 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 7 \\\\\\ \\ \\ \\ \\times 6 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 7 \\\\\\ \\ \\ \\ \\times 6 \\\\\\ \\hline\\end{array}$$

\\)
\\(\

$$\begin{array}{c}\\ \\ \\ 6 \\\\\\ \\ \\ \\ \\times 4 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 4 \\\\\\ \\ \\ \\ \\times 4 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 9 \\\\\\ \\ \\ \\ \\times 8 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 9 \\\\\\ \\ \\ \\ \\times 7 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 6 \\\\\\ \\ \\ \\ \\times 8 \\\\\\ \\hline\\end{array}$$

\\)
\\(\

$$\begin{array}{c}\\ \\ \\ 8 \\\\\\ \\ \\ \\ \\times 8 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 7 \\\\\\ \\ \\ \\ \\times 3 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 4 \\\\\\ \\ \\ \\ \\times 7 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 6 \\\\\\ \\ \\ \\ \\times 7 \\\\\\ \\hline\\end{array}$$

\\) \\(\

$$\begin{array}{c}\\ \\ \\ 8 \\\\\\ \\ \\ \\ \\times 4 \\\\\\ \\hline\\end{array}$$

\\)
math - aids.com

Explanation:

Step1: 计算\(5\times9\)

\(5\times9 = 45\)

Step2: 计算\(5\times9\)

\(5\times9 = 45\)

Step3: 计算\(2\times9\)

\(2\times9 = 18\)

Step4: 计算\(8\times3\)

\(8\times3 = 24\)

Step5: 计算\(4\times4\)

\(4\times4 = 16\)

Step6: 计算\(8\times4\)

\(8\times4 = 32\)

Step7: 计算\(5\times3\)

\(5\times3 = 15\)

Step8: 计算\(8\times3\)

\(8\times3 = 24\)

Step9: 计算\(7\times6\)

\(7\times6 = 42\)

Step10: 计算\(7\times6\)

\(7\times6 = 42\)

Step11: 计算\(6\times4\)

\(6\times4 = 24\)

Step12: 计算\(4\times4\)

\(4\times4 = 16\)

Step13: 计算\(9\times8\)

\(9\times8 = 72\)

Step14: 计算\(9\times7\)

\(9\times7 = 63\)

Step15: 计算\(6\times8\)

\(6\times8 = 48\)

Step16: 计算\(8\times8\)

\(8\times8 = 64\)

Step17: 计算\(7\times3\)

\(7\times3 = 21\)

Step18: 计算\(4\times7\)

\(4\times7 = 28\)

Step19: 计算\(6\times7\)

\(6\times7 = 42\)

Step20: 计算\(8\times4\)

\(8\times4 = 32\)

Answer:

第一行：\(45\)，\(45\)，\(18\)，\(24\)，\(16\)
第二行：\(32\)，\(15\)，\(24\)，\(42\)，\(42\)
第三行：\(24\)，\(16\)，\(72\)，\(63\)，\(48\)
第四行：\(64\)，\(21\)，\(28\)，\(42\)，\(32\)