13

－15

37

－9

AC線段長＝|(－7）＋4｜

CD 線段長＝（－4）－2

$$\overline{AD}$$  ＝5

$$\overline{BC}$$  ＝－4

-300

-3

3

300

-6

-9

9

6

3

-3

4

-4

$100

$10

$-10

$-100

攝氏3度

攝氏23度

攝氏-3度

攝氏-23度

$$\frac{4}{12}$$  

$$\frac{7}{12}$$  

$$\frac{6}{12}$$  

不知道

$$\frac{37}{8}$$  

$$\frac{37}{3}$$  

$$\frac{9}{11}$$  

1 $$\frac{13}{24}$$  

$$\frac{2}{3}\times\frac{8}{9}$$  

$$\frac{2}{3}\times\frac{9}{8}$$  

$$\frac{3}{2}\times\frac{8}{9}$$  

$$\frac{3}{2}\times\frac{9}{8}$$  

$$\frac{5}{2}\times5$$  

$$\frac{2}{5}\times5$$  

$$\frac{5}{2}\times\frac{1}{5}$$  

$$\frac{5}{2}\times\frac{1}{5}$$  

$$3\times\frac{2}{1}\times\frac{4}{3}$$  

$$\frac{1}{3}\times\frac{1}{2}\times\frac{3}{4}$$  

$$\frac{1}{3}\times\frac{2}{1}\times\frac{4}{3}$$  

$$3\times\frac{2}{1}\times\frac{3}{4}$$  

60

332

348

140

$$256-124$$  

$$124\div4$$  

$$4\div15$$  

$$256\div4$$  

11

$$\frac{11}{11}$$  

$$\frac{10}{14}$$  

$$\frac{11}{14}$$  

$$8\times12\div96$$  

$$96\div8\times12$$  

$$96\div12\times8$$  

$$96\div8\div12$$  

$$35\times2+72-200$$  

$$200-35\times2+72$$  

$$200-\left(35\times2+72\right)$$  

$$200\times2-72$$  

$$175-25\div30$$

$$\left(175-25\right)\div30$$

$$\left(175+25\right)\div30$$

$$175\div25+30$$