Question

va rog ex 12,13,14 va rog din sufletul meu ajutatima si pe mine

Answer 1

12.
(117+7)×(1003-938)=124×65=8060
(78×2)×(14×3)=156×42=6552
24×102=2448
13.
(125×5)+(98×8)+(320×10)=625+784+3200=1409+3200=4609
14.
a)1375+96-100+849=
1471-100+849=
1371+849=
220

b)55:5×3×2:2=
11×3×2:2=
33×2:2=
66:2=
33

c)80:2+(50×2:10+90)+10-25=
40+(100:10+90)+10-25=
50+(10+90)+10-25=
50+100+10-25=
150+10-25=
160-25=
134



SPER CA TE-AM AJUTAT!