y x 3 + 4000 = 9999
y x 3 = 9999 - 4000
y x 3 = 5999
y = 5999 : 3
y = 1999,...
y*3=9999-4000=5999
y=5999/3=\(\frac{5999}{3}\)click nha
y*3+4000=9999
y*3 =9999-4000
y*3 =5999
y =5999:3
y =5999/3
y x 3 + 4000 = 9999
y x 3 = 9999 - 4000
y x 3 = 5999
y = 5999 : 3
y = 1999,...
y*3=9999-4000=5999
y=5999/3=\(\frac{5999}{3}\)click nha
y*3+4000=9999
y*3 =9999-4000
y*3 =5999
y =5999:3
y =5999/3
9999 - y = 5489 Giá trị của y là:
A. 4520
B. 6726
C. 4510
D. 6736
Tính nhẩm
4000 – (2000 – 1000) =
4000 – 2000 + 1000 =
8000 – 4000 x 2 =
(8000 – 4000) x 2 =
Tính nhẩm:
a) 2000 + 4000 x 2 = ....................
(2000 + 4000) x 2 = ....................
b) 18000 - 4000 : 2 = ....................
(18000 - 4000) : 2 = ....................
3+9999-3=?
kb nha !
4000 + 4000 = ?
Tính nhẩm:
4000 : 2 = .......... 8000 : 4 = ..........
6000 : 3 = .......... 6000 : 2 = ..........
9999+9999=?
9999+9999+999=?
Tính nhẩm :
3000 + 6000 = ...... 4000 + 500 = ......
2000 + 5000 = ...... 6000 + 4000 = ......