Question

va rog ajutor exercitiul 18 urgent

Answer 1

a=0,49-0,48:0,001-0,5×2-6,25
a=0,49-480-1-6,25
a=0,49-479-6,25
a=0,49-472,75
a=-472,26

b=0,6:0,1-1-10
b=6-1-10
b=5-10
b=-5

4×(-472,26)+0,15×(-5)=
1889,04-0,75=1888,29

2×(-472,26)-0,1×(-5)=
944,52+0,5=945,02