Các câu hỏi tương tự
1 + 1 1 + 11 + 11 + 11 + 11 + 11 + 1 + 111 + 11 + 11 + 11 + 11 +1 + 1 11 + 11 + 1x 31 + 11 + 11 + 1
1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+11+1+1+1+1+1+1+1+11+1=?????
1+1+1+1+1+1+1+11+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+11+1+1+1+1+1+1+1+1+1+1.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.22.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.22.2.2.2.22.2.2.2.22.2.2.2.2.2.2.2.2.-3.3+5.4444444=???
tìm tổng? gọi số n
11+12-1
1+9+10-2-3
11+11+11-19
Tính:1/10*11+1/11*12+...+1/49*50
1/9 x 10 + 1 / 10 x 11 + 1 / 11 x 12 +......... 1 / 805 x 806
>,<,=
a,2/3+3/4+4/5+7/9+9/11...................5
b,1/10+1/11+1/12+1/13+1/14...............1/5
c,15/5+13/11+22/21..................5
1*1*1*11*1*11*1*1*=
2*2*2*2*22*2*2*2*2*2*2*0*2*2*2*=
Bài 1: Tính
a) 1/3 + 1/5 - 1/4 b) 7/8 - ( 1/4 + 2/5 ) c) 5/11 - ( 3/5 - 6/11 )
Tính:
1/3 + 1/5 - 1/4
7/8 - (1/4 + 2/5)
5/11 - (3/5 - 6/11)
Rút gọn luôn nha