\(100\times\dfrac{3}{5}=\dfrac{100}{1}\times\dfrac{3}{5}=\dfrac{100\times3}{1\times5}=\dfrac{300}{5}=60\)
\(100\times\dfrac{3}{5}=\dfrac{100}{1}\times\dfrac{3}{5}=\dfrac{100\times3}{1\times5}=\dfrac{300}{5}=60\)
a/ (x - 1 5 ) - 3 5 = 5 8 b/ x - 7 100 = 1 100 + 1
100 x 1 = ?
100 x 2 = ?
100 x 3 = ?
100 x 4 = ?
100 x 5 = ?
A, X = 2 x 10 000 + 2 x 1000 +5 x 100+9 x 10+7
B, X =7 x 100 000 + 7 x 10 000 + 8 x 100 + 5
C, X= 4 x 10 000 +6 x 100 + 3 x 10
D, X= 1 x 100 000 + A x 1000 + 2 x100 + 1 x 10 + B
MONG CAC BAN LAM GIUP MINH
100 x 5 + 800 - 50 x 3 + 2 : 2
tinh nhanh
[ 0 x 1 x 2 x 3 ...x 99 x 100] : [2 + 4 + 6 + ... 98]
[1+ 3 + 5 + 7 + ... 97 + 99 ] x [ 45 x 3 - 45 x 2 - 45]
132 x 145 + 100 /145 x 133 - 45
tim x
(x+1)+(x+3)+(x+5)=100
Tìm số tự nhiên x, biết:
x/100 = 3/5
x/5 < 4/10
Tìm x biết x x 3 + x x 5 + x x 7 +......+ x x 100 = 31200
1+3+5+7+...+x=100 Tim x