\(8,62:\dfrac{1}{4}+8,62:\dfrac{1}{8}-8,62:\dfrac{1}{2}\)
\(8,62\times4+8,62\times8-8,62\times2\)
\(8,62\times\left(4+8-2\right)\)
\(8,62\times10=86,2\)
=8,62:(0,95+0,195-0,5)
=8,62:0,645
gần bằng 13.3643410852713
8,62 : 0,25 + 8,62 : 0,125 - 8,62 : 0,5
= 8,62 x 4 + 8,62 x 8 - 8,62 x 2
= 8,62 x ( 4 + 8 - 2 )
= 8,62 x 10
= 86,2

4 và 5