Question

a)(32+14)×[(28+65):3-(52-23) b) (3+8)×{[30-(40-23)]×2-21}.c) (94-13):[34:(2×1)-70:5].d)55+(41-78:2)×(3×1+13).e)(33-30)×[(29+3×7):10+6] ​

Answer 1

Răspuns:

A)(32+14)×[(28+65):3-(52-23) =

46× (93:3-29)=46×(31-29) =

46×2=92

b) (3+8)×{[30-(40-23)]×2-21}=

11×[(30-17)×2-21] =

11×(13×2-21) =

11×(26-21)=11×5=55

C) (94-13):[34:(2×1)-70:5]=

81:( 34:2-14)=81:(17-14)=81:3=27

d)55+(41-78:2)×(3×1+13)=

55+(41-39)×(3+13)=

55+2×16=55+32=87

e)(33-30)×[(29+3×7):10+6]=

3×[(29+21):10+6]=

3×(50:10+6)=3×(5+6)=3×11=33

Explicație pas cu pas:

Answer 2

Răspuns:

a) =46•[93:3-29]=46•(31-29)=46•2=92

b) =11•{[30-17]•2-21}=11•[13•2-21]=11•(26-21)=11•5=55

c) =81:[34:2-70:5]=81:(17-14)=81:3=27

d) =55+(41-39)•16=55+2•16=55+32=87

e) =3•[(29+21):10+6]=3•[50:10+6]=3•(5+6)=3•11=33