\(M=\frac{4^{19}+87}{256^4+32^2}\) tinh GTBT bang cach thuan tien nhat
tinh bang cach thuan tien nhat:1+8+29+32
1 + 8 + 29 + 32
= ( 1 + 29 ) + ( 8 + 32)
= 30 + 40
= 70
mk nhóa
\(1+8+29+32\)
\(=\left(1+29\right)+\left(8+32\right)\)
\(=30+40\)
\(=70\)
Tinh bang cach thuan tien nhat
( 48 + 32 + 56 ) : 8
( 48 + 32 + 56 ) : 8
= 48 : 8 + 32 : 8 + 56 : 8
= 6 + 4 + 7 = 10 + 7 = 17
( 48 + 32 + 56 ) : 8
= (48 : 8) + (32 : 8) + (56 : 8)
= 6 + 4 + 7
= 10 + 7
= 17
Tinh bang cach thuan tien nhat
3/2 + 4/9 + 4/7 + 5/9
tinh bang cach thuan tien nhat
16*48+8*48+32*14
16x48+8x48+32x14
=48x(16+8)+32x14
=48x24+32x14
=1152+448
=1600
16 x 48 + 8 x 48 + 32 x 14
= 48 x (16 + 14) x (32 + 8)
=48 x 20 x 40
=38400
tinh bang cach thuan tien nhat; 25*1357*4; giai ho yui nha
25x1357x4
=1357x(25x4)
=1357x100
=135 700
Tinh bang cach thuan tien nhat:
82,5:25:4
82,5:25:4
=82,5 : (25x4)
=82,5 : 100
=0,825
82,5:25:4
= 82,5 : ( 25 x 4 )
= 82,5 : 100
= 0,825
# HOK TỐT #
=82,5:(25:4)
=82,5:100
=0,825
Tinh bang cach thuan tien nhat
19/11+{8/13+3/11}=?
19/11 + [ 8/13 + 3,11 ]
= [ 19/11 + 3/11 ] + 8/13
= 22/11 + 8/13
= 2 + 8/13
= 34/13
19/11 + ( 8/13 + 3/11 ) = 19/11 + 8/13 + 3/11 = ( 19/11 + 3/11 ) + 8/13 = 2 + 8/13 = 26/13 + 8/13 = 34/13
k mk nha mk k lai
1. tinh bang cach thuan tien nhat 73,5 -31,6 ,4
tinh bang cach thuan tien nhat
19/11 + [8/13 + 3/11] =................
19/11 + [8/13 + 3/11]
=19/11+ 3/11+ 8/13
= 2 + 8/13
= 34/13
=\(\frac{19}{11}+\frac{3}{11}+\frac{8}{13}\)
=\(2+\frac{8}{13}\)
=\(2\frac{8}{13}\)
19/11+(8/13+3/11)=(19/11+3/11)+8/13=2+8/13=26/13+8/13=34/13