Question

a.140:2+5×25-78:3=
b.184-69:3+(89+99:3-2×25):2=
Dau coronita

Answer 1

a) 140:2+5×25-78:3=
= 70+125-26 =
= 195-26 =
= 169

b) 184-69:3+(89+99:3-2×25):2 =
= 184-23+(89+33-50):2 =
= 161+72:2 =
= 161+36 =
= 197