Пошаговое объяснение:
(4,5+1/4)×1,8/(7,4-7 1/5):2/3=
=(4,5+0,25)×1,8/(7,4-7,2):2/3=
=4,75×1,8/0,2:2/3=
=8,55/0,2:2/3=42,75:2/3=
=42 3/4:2/3=171/4×3/2=513/8=64 1/8=
=64,125
Пошаговое объяснение:
(4,5+1/4)×1,8/(7,4-7 1/5):2/3=
=(4,5+0,25)×1,8/(7,4-7,2):2/3=
=4,75×1,8/0,2:2/3=
=8,55/0,2:2/3=42,75:2/3=
=42 3/4:2/3=171/4×3/2=513/8=64 1/8=
=64,125