Anonymous

Tính: 7/2x1/6

- asked 2 months agoVotes

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Giải Toán lớp 4 Bài 86: Luyện tập chung

a) $\frac{7}{2} \times \frac{1}{6}$

b) $\frac{8}{11} \times 4$

c) $\frac{8}{9} : \frac{2}{5}$

d) $\frac{5}{8} : 7$

a) $\frac{7}{2} \times \frac{1}{6} = \frac{7}{12}$

b) $\frac{8}{11} \times 4 = \frac{32}{11}$

c) $\frac{8}{9} : \frac{2}{5} = \frac{8}{9} \times \frac{5}{2} = \frac{40}{18} = \frac{20}{9}$

d) $\frac{5}{8} : 7 = \frac{5}{8} \times \frac{1}{7} = \frac{5}{56}$