南一六下數學第五單元四則混合運算 分數四則

$$\frac{7}{10}+\frac{2}{15}+3\frac{9}{10}$$

$$3\frac{9}{10}-\frac{2}{15}-\frac{7}{10}$$  

$$3\frac{9}{10}-\left(\frac{7}{10}+\frac{2}{15}\right)$$  

$$\left(\frac{7}{10}+\frac{2}{15}\right)-3\frac{9}{10}$$  

$$4\frac{1}{2}+1\frac{3}{8}+2\frac{1}{8}$$  

  $$4\frac{1}{2}-\left(1\frac{3}{8}+2\frac{1}{8}\right)$$  

  $$4\frac{1}{2}-1\frac{3}{8}-2\frac{1}{8}$$  

$$4\frac{1}{2}-1\frac{3}{8}+2\frac{1}{8}$$   

  $$1\frac{4}{5}-\frac{1}{3}+\frac{2}{3}$$  

   $$1\frac{4}{5}+\frac{1}{3}+\frac{2}{3}$$  

  $$1\frac{4}{5}+\frac{1}{3}-\frac{2}{3}$$   

$$1\frac{4}{5}-\frac{1}{3}-\frac{2}{3}$$    

  $$3-\left(\frac{3}{4}+\frac{4}{5}\right)$$  

   $$3-\frac{3}{4}-\frac{4}{5}$$  

  $$3+\frac{3}{4}+\frac{4}{5}$$  

$$3+\frac{3}{4}-\frac{4}{5}$$  

  $$3\frac{2}{3}+\frac{4}{7}+\frac{7}{8}$$  

   $$3\frac{2}{3}-\frac{4}{7}-\frac{7}{8}$$  

  $$3\frac{2}{3}\div\frac{4}{7}\div\frac{7}{8}$$  

$$3\frac{2}{3}\times\frac{4}{7}\times\frac{7}{8}$$  

  $$8\frac{3}{4}-\left(2\frac{2}{5}+1\frac{7}{8}\right)$$  

   $$8\frac{3}{4}\div2\frac{2}{5}\div1\frac{7}{8}$$  

  $$8\frac{3}{4}-2\frac{2}{5}-1\frac{7}{8}$$  

$$8\frac{3}{4}\div\left(2\frac{2}{5}\times1\frac{7}{8}\right)$$  

  $$5\frac{1}{4}\times\frac{1}{2}\div1\frac{1}{3}$$  

  $$5\frac{1}{4}\div\left(\frac{1}{2}\times1\frac{1}{3}\right)$$  

  $$5\frac{1}{4}\times\frac{1}{2}\times1\frac{1}{3}$$  

$$5\frac{1}{4}\div\frac{1}{2}\div1\frac{1}{3}$$  

  $$45\times\frac{4}{5}\times\frac{3}{4}$$  

  $$45\div\left(\frac{4}{5}\times\frac{3}{4}\right)$$  

$$45\div\frac{4}{5}\div\frac{3}{4}$$  

$$45-\frac{4}{5}-\frac{3}{4}$$  

  $$1\frac{7}{8}-\left(1\frac{1}{4}+\frac{7}{16}\right)$$  

  $$1\frac{7}{8}+1\frac{1}{4}+\frac{7}{16}$$  

$$1\frac{7}{8}-1\frac{1}{4}-\frac{7}{16}$$  

$$1\frac{7}{8}+1\frac{1}{4}-\frac{7}{16}$$  

  $$8\frac{2}{5}\times1\frac{1}{5}-5\frac{3}{7}$$  

  $$8\frac{2}{5}\times1\frac{1}{5}\times5\frac{3}{7}$$  

$$8\frac{2}{5}\div1\frac{1}{5}\times5\frac{3}{7}$$  

$$8\frac{2}{5}\div1\frac{1}{5}\div5\frac{3}{7}$$