8324064 nha bạn
Nhớ k cho mình nha
Chúc các bạn học giỏi
2016*97+2016*2016+2=(2016*97)+(2016*2016*2)
=195552+8128512
=8324064
k minh nhe ban
2016*97+2016*2+2016
Tính nhanh: 2016 × 35 + 2016 × 65=
2016 × 99 + 2016=
2016 × 102 - 2016 × 2=
2016 × 101 - 2016=
a= 1/2016 + 2/2016 + 3/2016 +4/2016 ...... 2015/2016
A=1/2016+2/2016+3/2016+4/2016+.....+2015/2016
A=?
1/2+(1/3+2/3)+(1/4+2/4+3/4)+(1/2016+2/2016+3/2016+...+2015/2016)
2016 + 2016 + 2016 x 2 x 2
tính bằng cách thuận tiện nhất
2016*34+2016*63+2016*2+2016
tinh nhanh
2016 x 34 + 2016 x 63 + 2016 x 2 + 2016
lam nhanh giup minh nha
(2/3 + 3/4 + 4/5 + .........+ 2016 /2017 ) x ( 1/2 + 2/3 + 3/4 + ......+ 2015 /2016) - ( 1/2 + 2/3 + 3/4 + ........2016 /2017 ) x 2/3 + 3/4 + 4/5 + .....+ 2015/2016)
