Tinh bang cach thuan tien nhat
0.9+0.3×4+0.3×93
Tinh bang cach thuan tien nhat
1/2+2+1/2×4+1/2×4
3/9+4/3+1/3×5
0.6+0.9+0.3×5
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
\(\dfrac{1}{3}+\dfrac{6}{5}-\dfrac{1}{5}+\dfrac{2}{3}=2\)
1. tinh bang cach thuan tien nhat 73,5 -31,6 ,4
234 nhan 25 nhan 3 nhan 4 tinh bang cach thuan tien nhat
Ta có : 234.25.3.4=(234.3).(25.4)=702.100=70200
234*25*3*4
=(234*3)*(25*4)
=702*100
=70200
tinh bang cach thuan tien
2012*95+2012*4+2012
2012 x 95 + 2012 x 4 + 2012
= 2012 x 95 + 2012 x 4 + 2012 x 1
= 2012 x ( 95 + 4 + 1 )
= 2012 x 100
= 201200
2012 x 95 + 2012 x 4 + 2012
= 2012 x 95 + 2012 x 4 + 2012 x 1
= 2012 x ( 95 + 4 + 1 )
= 2012 x 100
= 201200
\(2012\times95+2012\times4+2012\)
\(=2012\times\left(95+4+1\right)\)
\(=201200\)
Tinh bang cach thuan tien:
5/9: 4/7+ 13/9 *7/4
\(\frac{5}{9}:\frac{4}{7}+\frac{13}{9}\cdot\frac{7}{4}\)
\(=\frac{5}{9}\cdot\frac{7}{4}+\frac{13}{9}\cdot\frac{7}{4}\)
\(=\left(\frac{5}{9}+\frac{13}{9}\right)\cdot\frac{7}{4}\)
\(=2\cdot\frac{7}{4}\)
\(=\frac{14}{4}\)
=\(\frac{5}{9}\)*\(\frac{7}{4}\)+\(\frac{13}{9}\)*\(\frac{7}{4}\)
=\(\frac{7}{4}\)*(\(\frac{5}{9}+\frac{13}{9}\))
=\(\frac{7}{4}\)*2
=\(\frac{7}{2}\)
tinh bang cach thuan tien 2x3x4x5
2 x 3 x 4 x 5
= 6 x 20
= 120
=[ 2 x 5 ] x [ 3 x 4 ]
= 10 x 12
= 120