Các câu hỏi tương tự
Các phân số 1/3: 1/6: 5/2: 3/2 xếp theo thứ tự tăng dần
a. 1/3; 1/6; 5/2; 3/2 b. 1/3; 5/2; 1/6; 3/2 c. 1/6; 1/3; 3/2; 5/2 d. 1/6; 3/2; 3/2; 5/2
2/3+5/2-3/4=
2/5*1/2/1/3=
2/9/2/9/1/2=
4/5-1/2+1/3=
1/2*1/3+1/4=
2/7/2/3-1/7=
2/3+5/2-3/4=
4/5-1/2+1/3=
2/5×1/2:1/3=
1/2×1/3+1/4=
2/9:2/9×1/2=
2/7:2/3-1/7=
bài 1:
1/4 + 2/3 2/7 + 2/3 2/5 + 1/3 2/3 + 1/2 1/3 + 3/5 4/5 + 1/3
1/8 + 3/4 1/36 + 5/12 1/3 + 1/6 + 1/18.
bài 2:
15/16 - 3/16 17/18 - 5/6 3/4 - 4/9 1/2 - 2/5 5/6 - 3/10 3-1/3
4/5 - 1/10 5/2 - 1 5/8 - 2/5.
Tính Nhanh
a) ( 1/2 + 1/3 + 1/4 + 1/5 + 1/6 ) - ( 1/2 + 1/3 + 1/4 + 1/5 )
b) ( 2/3 + 2/4 + 2/5 + 2/6 + 2/7 ) - ( 2/4 + 2/5 + 2/6 + 2/7 + 28 )
2)tính :
a)2/5*1/2:1/3;b)2/9:2/3*1/3;c)1/2*1/3+1/4;d)2/7:2/3-1/7
Các bn giải hộ mình câu lày
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 2 + 2 + 2 + 2 + 3 + 3 + 3+ 1 + 4 + 4 + 2 + 5 + 5 + 6 + 4 + 7 + 3 + 8 + 2 + 9 + 1 + 0 + 0 + 0 + 0 + 0
1 A=1 1/2+1 1/3
2 C=2 2/3nhân5 1/4
3 B=2 2/3-1 4/7
4 D=3 1/3 chia 2 1/4
Evaluate: (1/1 + 2) + (1/1 + 2 + 3) + (1/1 + 2 + 3 + 4) + ... + (1/1 + 2 + 3 + ... + 50)
tính
2/9 : 2/3 x 1/2
1/2 x 1/3 + 1/4
2/7 : 2/3 - 1/7