Question

Tính: 1/10+2/10+3/10+...+8/10+9/10

Answer 1

= (1/10 + 9/10) + 2/10 +8 / 10 + ... + 4/10 + 6/10 + 5/10  = 1+ 1+1+1+1/2 = 9/2 

Answer 2

1/10 + 2/10 +3/10 + 4/10 +...+9/10 = (1+2+3+4+5+6+7+8+9)/10 = 45/10 = 9/2 = 4,5

Answer 3

một khu đất hình chữ nhật có chiều dài bằng 36m,chiều rộng bằng 2/3 chiều dài.Tính diện h một mảnh vườn hình vuông có chu vi bằng chu vi khu đất đó

Answer 4

9/2 la dung 

Answer 5

9/2 nha

Answer 6

9/2 đúng 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000% luôn, thật đấy!

Answer 7

dung 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%

Answer 8

9/2 là đúng

Answer 9

bằng 9/2

Answer 10

9/2 nha mizuki

Answer 11

là 9/2 đó mình làm rồi nhớ kết bạn nha. thank you my friends