(131313/151515+ 131313/353535+131313/636363+131313/999999)*33
=(13/15+13/35+13/63+13/99)*33
=52/33*33
=52
(131313/151515+ 131313/353535+131313/636363+131313/999999)*33
=(13/15+13/35+13/63+13/99)*33
=52/33*33
=52
D =131313/151515+131313/353535+131313/636363+131313/999999
Thực hiện phép tính:131313/151515+131313/353535+131313/636363+131313/999999
Tính nhanh :
\(\frac{131313}{151515}+\frac{131313}{353535}+\frac{131313}{636363}+\frac{131313}{999999}\)
Tính nhnah: \(\frac{131313}{151515}+\frac{131313}{353535}+\frac{131313}{636363}+\frac{131313}{999999}\)
\(\frac{131313}{151515}+\frac{131313}{353535}+\frac{131313}{636363}+\frac{131313}{999999}\)
Các bạn giải giúp mình nha. bạn nào giải được mình tik cho
Tính
A. [4 2/5 + 2 3/7]-[2 2/5 - 5 4/7]
B. 131313/151515 + 131313/353535 + 131313/636363 + 131313/999999
131313/151515+131313/353535+131313/636363+131313/9999
\(\frac{131313}{151515}\)+\(\frac{131313}{353535}\)+\(\frac{131313}{636363}\)+\(\frac{131313}{999999}\)
131313 / 151515 + 131313 / 454545 +131313 / 636363 + 131313 /999999