Bạn nào biết 1000+87×78=?
57+67+98+54+65+23+87-78-87-78-87x0= ??????????????
100 + ........= 1000
200 + ........ = 1000
300 + ..........= 1000
400 + ............= 1000
500 + ..........= 1000
600 + ............= 1000
700 + ..............=1000
800 + ..............= 1000
900 + ..............= 1000
1000 + ..........= 1000
1000 + 1000 : 1000 - 1000 = ?
Tính nhẩm (theo mẫu) :
a)
500 – 300 = 200 | 600 − 300 = ... | 700 − 200 = .... |
500 − 400 = ... | 700 − 300 = ... | 800 − 300 = .... |
b)
1000 – 200 = 800 | 1000 − 300 = ... | 1000 − 400 = ... |
1000 − 500 = ... | 1000 − 600 = ... | 1000 − 800 = ... |
:11=87 giúp
\(1000+40+1000+30+1000+20+1000+10=???\)
1000-1000+1000
3×x=87-60