Question

Completati cu un numar astfel incat sa obtineti o propozitie adevarara
A)25,34+?=84,175.b)68,05-?=54,01.c)1254,16+35,008=?d)181,08+?=199,99e)108,24-?=98,16f)1028,08+152,12=?

Answer 1

A).
25,34+a=84,175
a=84,175-25,34
a=58,835

b).
68,05-b=54,01
b=68,05-54,01
b=14,04

c).
1254,16+35,008=1289,168
d).
181,08+d=199,99
d=199,99-181,08
d=18,91

e).
108,24-e=98,16
e=108,24-98,16
e=10,08

f).
1028,08+152,12=1180,20