prosze o obliczenia?;]...
(1/5-1 1/3)* 2 2/5 - 0,1=
(6,25-2 1/2) : 2 1/7-1=
=(1/5-4/3)*12/5-1/10=
=(3/15-20/15)*12/5-1/10=
=-17/15*12/5-1/10=
=-204/75-1/10=
=-2040/750-75/750=
=-2115/750=
=-2,82(6,25-2 1/2) : 2 1/7-1=
=(6,25-2,5):15/7-1=
= 3,75:15/7-1=
=3 3/4:15/7-1=
=15/4*7/15-1=
=7/4-1=
=7/4-4/4=
=3/4=0,75
licze na naj
(1/5-1 1/3)*2 2/5-0,1=(3/15-1 5/15)*12/5-1/10=-1 2/15*12/5-1/10=-17/15*12/5-1/10=-68/25-1/10=-2 18/25-1/10=-2 41/50
(6,25-2 1/2):2 1/7-1=(6,25-2,5):15/7-1=3 3/4*7/15-1=15/4*7/15-1=7/4-1=1 3/4-1=3/4
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(1/5-1 1/3)* 2 2/5 - 0,1=
=(1/5-4/3)*12/5-1/10=
=(3/15-20/15)*12/5-1/10=
=-17/15*12/5-1/10=
=-204/75-1/10=
=-2040/750-75/750=
=-2115/750=
=-2,82
(6,25-2 1/2) : 2 1/7-1=
=(6,25-2,5):15/7-1=
= 3,75:15/7-1=
=3 3/4:15/7-1=
=15/4*7/15-1=
=7/4-1=
=7/4-4/4=
=3/4=0,75
licze na naj
(1/5-1 1/3)*2 2/5-0,1=(3/15-1 5/15)*12/5-1/10=-1 2/15*12/5-1/10=-17/15*12/5-1/10=-68/25-1/10=-2 18/25-1/10=-2 41/50
(6,25-2 1/2):2 1/7-1=(6,25-2,5):15/7-1=3 3/4*7/15-1=15/4*7/15-1=7/4-1=1 3/4-1=3/4