1/2 + 1/2 = 2/2 = 1
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Các câu hỏi tương tự
A=1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+...(1000) số 1
B=2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+...+2(13512 số 2)
tổng của A và B là
1*1*1*11*1*11*1*1*=
2*2*2*2*22*2*2*2*2*2*2*0*2*2*2*=
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 )
2/3+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=
1+2-1+2-1+2-1+2-1+2-1+3=??...!?
tim y: 2010/2017: 1/2+ 6/2017: 1/2+ 1/2017: 1/2: y = 2010/2017: 1/2+ 6/2017: 1/2+ 1/2017: 1/2
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
1/2 + 1/2 - 1/2 + 1/2 x 2 + 1/2 x 2 = ?