Question

найдите значение выражения (2 3/4+2 1/5)*16

Answer 1

3/4 = 15/20
1/5 = 4/20
19/20 = 95/100 = 0,95
(2 15/20 + 2 4/20) * 16 = 4 19/20 * 16 = 4,95 * 16 = 79,2

Answer 2

(2.3/4+2.1/5)*16=(2.15/20+2.4/20)*16=4.19/20*16=99/20*16=396/5=79.1/5