Найдите произведение:
3 3/8*2
10 3/8*9
12 3/8*5
11 3/8*10

3 3/8*2=27/8*2=27/4=6 3/4
10 3/8*9=83/8*9=747/8=93 3/8
12 3/8*5=99/8*5=495/8=61 7/8
11 3/8*10=91/8*10=455/4=113 3/4