5x等于8分之5.
5x=5/8
两边除以5得
x=1/8
8.1乘9分之2乘1又6分之5
=8.1x2/9x11/6
=0.9x2x11/6
=0.3x11
=3.3
2又2分之1乘4分之1乘5.
=5/2x 1/4 x5
=25/8 (8分子25)
1又2分之1乘3分之1
=3/2 x 1/3
=1/2
3分之2乘1又2分之1
=2/3 x 3/2
=1
4又2分之1乘8
=9/2 x 8
=9x4
=36
6分之5乘2又5分之1
=5/6 x 11/5
=11/6 (6分之11)
5x等于8分之5.
5x=5/8
两边除以5得
x=1/8
8.1乘9分之2乘1又6分之5
=8.1x2/9x11/6
=0.9x2x11/6
=0.3x11
=3.3
2又2分之1乘4分之1乘5.
=5/2x 1/4 x5
=25/8 (8分子25)
1又2分之1乘3分之1
=3/2 x 1/3
=1/2
3分之2乘1又2分之1
=2/3 x 3/2
=1
4又2分之1乘8
=9/2 x 8
=9x4
=36
6分之5乘2又5分之1
=5/6 x 11/5
=11/6 (6分之11)