Question

DAU COROANASI 25 DE PUNCTE
a)12•10:4+(180-20):8+(202:2+33•3):100
b) (9•7+7•8)•4-(404:4+44:4):2

Answer 1

b)(63+56)*4-(101+11):2      a) 12*10:4+160:8+(101+99):100

=119*4-105-112:2                    =12*10:4+160:8+200:100

=476-105-56                            =120:4+30+2

=371-56                                    =30+30+2

=315                                         =60+2

                                                  =62