Question

resolva as expressões

a) (4×7+12) : (3×5+5)=




b)50-(40-3×[5-(10-7) ] }=



c) (32-10×(20-15)=


d) )3×[5+(42:3-9) ]=​

Answer 1

Resposta:a) (4×7+12) : (3×5+5)=

2

b)50-(40-3×[5-(10-7) ] }=

-8

c) (32-10×(20-15)=

110

d) )3×[5+(42:3-9) ]=

20