a) 7/4 – 2/3 : 5/3 =……. b) 24/42 : 4 x 7/4 = ………… 12/08/2021 Bởi Anna a) 7/4 – 2/3 : 5/3 =……. b) 24/42 : 4 x 7/4 = …………
a, $7/4$ – $2/3$ : $5/3$ = $7/4$ – $2/5$ = $27/20$ b, $24/42$ : 4 x $7/4$ = $1/7$ x $7/4$ = $1/4$ Bình luận
@SANGOFFICIAL a, $\frac{7}{4}$ – $\frac{2}{3}$ ÷ $\frac{5}{3}$ = $\frac{7}{4}$ – $\frac{2}{3}$ × $\frac{3}{5}$ = $\frac{7}{4}$ – $\frac{2}{5}$ = $\frac{35}{20}$ – $\frac{8}{20}$ = $\frac{27}{20}$ b, $\frac{24}{42}$ ÷ 4 × $\frac{7}{4}$ = $\frac{24}{42}$ × $\frac{1}{4}$ × $\frac{7}{4}$ = $\frac{1}{4}$ Bình luận
a, $7/4$ – $2/3$ : $5/3$
= $7/4$ – $2/5$
= $27/20$
b, $24/42$ : 4 x $7/4$
= $1/7$ x $7/4$
= $1/4$
@SANGOFFICIAL
a, $\frac{7}{4}$ – $\frac{2}{3}$ ÷ $\frac{5}{3}$
= $\frac{7}{4}$ – $\frac{2}{3}$ × $\frac{3}{5}$
= $\frac{7}{4}$ – $\frac{2}{5}$
= $\frac{35}{20}$ – $\frac{8}{20}$
= $\frac{27}{20}$
b, $\frac{24}{42}$ ÷ 4 × $\frac{7}{4}$
= $\frac{24}{42}$ × $\frac{1}{4}$ × $\frac{7}{4}$
= $\frac{1}{4}$