Question

a)12 1 supra 3 : {[ 2 3 supra 4 : ( 3 1 supra 3 - 1 7 supra 8 • 4 supra 9 )] • 8 supra 11 + 1 2 supra 3
b)3 1 supra 8 : [( 4 5 supra 12 - 3 13 supra 24 ) • 4supra 7 + ( 3 1 supra 18-2 7 supra 12 ) • 1 10 supra 17 ​

Answer 1

a)21/3:(23/4:(31/3-17/8×4/9)×8/11+12/3=

21/3:(23/4×3/31-17/2×1/9)×8/11+12/3

21/3:(69/124-17/18)×8/11+12/3

21/3:(-433/1116)8/11+12/3

-7 × 1116/433×8/11+12/3

-62496/4763+12/3=

-43444/4763

pe b nu pot sa il fac