\(\frac{25x4x32+16x2x50}{100x6x8x2}=\frac{100x16x2+16x100}{100x6x16}=\frac{100x16\left(2+1\right)}{100x16x6}=\frac{3}{6}=\frac{1}{2}.\)
~~ học tốt nhé ~~~
25 x 4 x 32 + 16 x 2 x 50 =321600
100 x 6 x 8 x2 =14400
hok tốt
\(\frac{25x4x32+16x2x50}{100x6x8x2}=\frac{100x16x2+16x100}{100x6x16}=\frac{100x16\left(2+1\right)}{100x16x6}=\frac{3}{6}=\frac{1}{2}.\)
~~ học tốt nhé ~~~
25 x 4 x 32 + 16 x 2 x 50 =321600
100 x 6 x 8 x2 =14400
hok tốt
11/15 + 8/15= Tính phân số
6/7 - 5/21=
25/4 x 16/100
7 x 2/49 =
4/3 : 2/9
5/8 : 25 =
32 x 25 + 18 x 100 - 50 x 12
--------------------------------------
56 x 45 + 28 x 98 + 56 x 6
222 x 5 = 111 x 2 x 5 = 1110
Đúng hay sai?
3 x 125 x 2 x 8 = (3 x2 ) x (125 x 8) = 6000
Đúng hay sai?
342 x 5 = 340 + 2 x 5 = 340 x 10 = 3400
Đúng hay sai?
25 x 8 x 9 = (25 x 4) x (4 x 9) = 100 x 36 = 3600
Đúng hay sai?
2 x 4 x 6 x 8 x 50 x 25 x 125
a) 25 x 5 x 13 x 4
87 x 125 x 8 x 4
b) 50 x 76 x 2
19 x 4 x 25 x 8
c) 303 x 20 x 6 x5
4 x 889 x 25
tim X
a,( 25 * 12 - X - 25 ) : 25 = 4
b,180 - ( X + 15 ) : X * 20 = 100
c,125 + ( X - 25 ) * 5 + X = 150
d,X : 8 * 32 + X: 3 * 18 - X: 5 *10 = 120
1) 444 x 5 = 222 x 2 x 5 = 222 x 10 = 2220
a.Đúng b.Sai
2) 282 x 5 = 280 + 2 x 5 = 280 x 10 = 2800
a.Đúng b. Sai
3) 4 x 8 x 7 x 25 = (8 x 7) x (25 x4) = 56 x 100 = 5600
a.Đúng b.Sai
4) 25 x 8 x 9 = (25 x 4) x (4 x 9) = 100 x 36 = 3600
a.Đúng b.Sai
Tính nhanh
a) 27 x 45 + 55 x 27/ 2 + 4 + 6 + 8 + ... + 16 + 18
b) 3737 x 43 - 4343 x 37/ 2 + 4 + 6 + 8 + ... + 98 + 100