Các câu hỏi tương tự
8 tháng 5 2022 lúc 7:45
1+1+1+1+2+2+2+3+3+3+3+4+4+4+4+5+5+5+5+6+6+6+6+7+7+7+7+8+8+8+8+9+9+9+9+10=
Tính
a) 4/3*7 + 4/7*11 + 4/11*15 + 4/15*19 + 4/19*23 + 4/23*27
b) 1/2*3 + 1/3*4 + 1/4*5 + 1/5*6 +1/6*7
c) 2/3*5 + 2/5*7 + 2/7*9 + 2/9*11 + 2/11*13 + 2/1*2 + 2/2*3 + 2/3*4 + 2/8*9 + 2/9*10
1/3 + 5/9 1/9 x 9/3
1/7 - 1/9 1/3 : 1/7
3 : 5/9 9 + 9/3
3 x 5/9 4 - 2/4
1+2+3+4+5+6++7+8+9+9+8+7+6+5+4+3+2+1+1+2+3+4+5++6+7+8+9=?
a) 3/5 + 4/3
b) 2/3 - 1/5
c) 1/2 + 1/3 + 1/6
d) 3/5 + 4/7 + 7/5 + 3/7
e) 1/5 + 2/9 + 7/9 + 4/5 + 16/17 + 1
f) 1/3 x 2/7 + 1/3 x 5/7 + 15/9
8/9÷3/7=
8/9+2/5=
7/8-1/3=
3/10×1/6=
b.hỗn số
1 2/7+6 5/6=
5 3/4-1/5 =
6 2/9÷4 7/10=
5/3+3/2-7/6=
1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9 +1028 giúp mk nha
a. 2+3/4 b.1/3+3/2-7/4 c.1/6+3/8-1/4 d.5/12+3/8x4/9 e.4/5-1/5x7/2 f.16/9-4/15:2/5