Question

Resolva as expressões

A) 32÷8+12.3-20
B) 25-2(44÷4+1)
C) 40-3.{21+7.[36÷9-(8.3÷4+1)]+3}

Answer 1

Explicação passo-a-passo:

Resolva as expressões:

A) 32÷8+12.3-20=

4+36-20=

40-20=

20

B) 25-2(44÷4+1)=

25-2(11+1)=

25-2(12)=

25-14=

11

C) 40-3.{21+7.[36÷9-(8.3÷4+1)]+3}=

40-3.{21+7.[36÷9-(24÷5)]+3}=

40-3.{21+7.[36÷9-(4,8)]+3}=

40-3.{21+7.[4-(4,8)]+3}=

40-3.{21+7.[-0,8]+3}=

40-3.{21+(-5,6)+3}=

40-3.{15,4+3}=

40-3.{18,4}=

40-55,2=

−15,2

Espero ter ajudado ❤.