Question

va rog îmi trebuie urgent ​

Answer 1

Răspuns:

Explicație pas cu pas:

a. 25+20=45

b.85-30+9=64

c.√64-11/15=8-11/15=(120-11)/15=109/15

d.2+(1-1/3)+0,4=2+2/3+2/5=2(1+1/3+1/5)=2(15+5+3)/15=46/15

e.3/2+2/3+16/9=(27+12+32)/18=71/18

f.(1-1/5)+(1/5-1/3)+(1/9-1)=4/5-2/15-8/9=(36-6-40)/45=-10/45=-2/9

g. 0,1+0,04+4=4,14