100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Tính nhanh :
a , 0,2 x 17 x 7 + 0,14 x 520 + 31 x 14
b , 0,75 x 4,6 x 0,625
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0,25 x 0,125 x 2,3
c, 15,6 x 260 - 156 x 26
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15,6 x 3,3 x 3,4 x 2,6
tính:
15,6 x 260 - 156 x 26
15,6 x 3,3 x 3,4 x 2,6
15,6*260-155*26/15,6*3,3*3,4*2,6
dau gach la dau phan so nha
A) 210: x= 2,1:0,25
B) X x 2 + X x 0,5= 6,25
c) x: 0,25 - x=15,6
d) x : 12,5= 3,75 x 4
e) Xx 12,6 - X x 5,6=42
g) X : 0,1 - X : 4- X x 0,75= 2,25
tính bằng cách thuật tiện nhất
4 x 15,6 x 0,25
tìm x biết
a) x x 9,9 + x : 10 = 12,5 b)x : 0,25 - x = 15,6 c)x : 0,1 - x : 4 - x x 0,75 = 2,25
MN GIÚP MÌNH IKKKKK Câu Hỏi nè: x: 0,25- x = 15,6 giúp mình nhaaaaaaaaaaaaa
x:0,25-x=15,6
x:0,25-x=15,6