25 x 4 + 2 = 100 + 2
= 102
lam on k cho minh!!!!!!!
25 x 4 + 2 = 100 + 2
= 102
lam on k cho minh!!!!!!!
Tính:
5/5+25=? 135-25*2=? 36/4*2=?
Tim y
1} (y - 25 ): 4 - 120 = 0
2} 120 - (x + 25) x 4 = 0
a) x + 40*25 = 2000;
b) (x + 40)*25 = 2000;
c) (x - 10)*5 = 100 - 20*4;
d) (x + 2) + (x + 4) + ... + (x + 1996) = 998000.
tinh bang 2 cach
25*4+15*4
tìm x
25+4<x+25<25+7<x+25<4+25
Điền dấu >, <, =
a, 4 × 7 ... 4 × 6
b, 4 × 5 ... 5 × 4
c, 16 : 4 ... 16 : 2
d, 25 : 5 ... 15 : 3
Find the values of these espressions :
25 - (20 - 10)
80 - (30 + 25
125 + (13 + 7)
416 - (25 - 21)
(65 + 15) x 2
46 : (6 : 3)
(74 - 14) : 2
81 : (3 x 3)
123 x (42 - 40)
(100 + 11) x 9
72 : (2 x 4)
64 : (8 : 4)
Tính nhanh:
25 x 18 x 4 x 2
24 nhân 56 : 2 -55 +76 nhân 25 + 5648 -589 = ? :2 nhân 2 +5-4 = ?