Question

Dau coroana va rog!Repede ​

Answer 1

a) 213+79=292
b) 34-29=5
c) -21+32=11
d)1/2 +7/2=8/2=4
f)3/2+1/5 ( amplificam prin 5 si 3) =15/10+2-10=17/10=1,7
e)9/5-3/5=6/5
g) 6+(-11)=6-11=-5
h) 0,2+5=5,2
i)3,5-2,09=1,41
j) (-3,52)+(+5,74)-(+3,28)= -3,52+5,74-3,28= -1,06