15 3/8
Пошаговое объяснение:
20/3*9/5+33/2÷11/4-21/8=4*3+33/2*4/11-21/8=12+3*2-21/8=12+6-21/8=18-21/8=123/8=15 3/8
15 3/8
Пошаговое объяснение:
20/3*9/5+33/2÷11/4-21/8=4*3+33/2*4/11-21/8=12+3*2-21/8=12+6-21/8=18-21/8=123/8=15 3/8