Question

Ajutați-mă la ex 14 va roooog

Answer 1

a) 1375+96-100+849=
1471-100+849=
1371+849=2.220

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

c)80:2+(50×2:10+90)+10-25×4=
80:2+(100:10+90)+10-25×4=
80:2+(10+90)+10-25×4=
80:2+100+10-25×4=
40+100+10-25×4=
40+100+10-100=
140+10-100=
150-100=50

Sper ca te-am ajutat!