$\frac{5}{2.1}$ +$\frac{4}{1.11}$ +$\frac{3}{11.2}$ +$\frac{1}{2.15}$ +$\frac{13}{15.4}$ 18/08/2021 Bởi Autumn $\frac{5}{2.1}$ +$\frac{4}{1.11}$ +$\frac{3}{11.2}$ +$\frac{1}{2.15}$ +$\frac{13}{15.4}$
5/2.1+4/1.11+3/11.2+1/2.15+13/15.4 =5/2+4/11+3/22+1/30+13/60 =(5/2+1/30+13/60)+(4/11+3/22) =(150/60+2/60+13/60)+(8/22+3/22) =11/4+1/2 =13/4 Chúc bạn hok tốt<3 Bình luận
$\frac{5}{2×1}$+$\frac{4}{1×11}$ +$\frac{3}{11×2}$ +$\frac{1}{2×15}$ +$\frac{13}{15×4}$ =$\frac{5}{2}$+$\frac{4}{11}$ +$\frac{3}{22}$ +$\frac{1}{30}$ +$\frac{13}{60}$ =($\frac{55}{22}$+$\frac{8}{22}$ +$\frac{3}{22}$) +($\frac{2}{60}$ +$\frac{13}{60}$ ) =$\frac{66}{22}$ +$\frac{15}{60}$ =3+$\frac{1}{4}$ =3$\frac{1}{4}$ Bình luận
5/2.1+4/1.11+3/11.2+1/2.15+13/15.4
=5/2+4/11+3/22+1/30+13/60
=(5/2+1/30+13/60)+(4/11+3/22)
=(150/60+2/60+13/60)+(8/22+3/22)
=11/4+1/2
=13/4
Chúc bạn hok tốt<3
$\frac{5}{2×1}$+$\frac{4}{1×11}$ +$\frac{3}{11×2}$ +$\frac{1}{2×15}$ +$\frac{13}{15×4}$
=$\frac{5}{2}$+$\frac{4}{11}$ +$\frac{3}{22}$ +$\frac{1}{30}$ +$\frac{13}{60}$
=($\frac{55}{22}$+$\frac{8}{22}$ +$\frac{3}{22}$) +($\frac{2}{60}$ +$\frac{13}{60}$ )
=$\frac{66}{22}$ +$\frac{15}{60}$
=3+$\frac{1}{4}$
=3$\frac{1}{4}$