Question

cele cu mov nu cele cu albastru da

Answer 1

Explicație pas cu pas:

Te voi ajuta doar la 2 daca am timp:

a)15+43-27=31

b)413-395+11=29

c)642+423-999=66

d)725-696+37=66

e)2138-809+57=1386

f)521-99+17-47=392

2) a)22•2:11=4

b) 360:10•6=216

c)3²•8:12•13:39=2

d)5•12•17:255=4

e)12•11:44•16:24=2

f)456:24•5²:19•20=500