Question

Вычислите:7.5/0.6-2.5

 

 

(68:2 5/6-42*0.1):1.1

 

 

2/3*0.375+2.68:0.8

Answer 1

7.5:0.6-2.5=12.5-2.5=10
68:2х56=68:2х6+56=68:176=24
42х0.1=4.2
24-4.2=19.8
19.81.1=18
23х0.375=0.25
2.68 .8=3.35
0.25+3.35=3.6
183.6=5
105=2