Question

Efectuează: {[ 42 x (6 - 100: 25 ) + 24 ]-8}: 5=
12 - 10:{1+3 x [(57 - 60:4x2):3 +21 ]: 10 } =​

Answer 1

Răspuns:

{[ 42 x (6 - 100: 25 ) + 24 ]-8}: 5={[ 42 x2+24 ]-8}: 5=100:5=20

12 - 10:{1+3 x [(57 - 60:4x2):3 +21 ]: 10 } =​12 - 10:{1+3 x[(57-30):3 +21 ]: 10 } =​12 - 10:{1+3 x[9+21]: 10 } =​12 - 10:{1+3 x30:10} =12-1=11

Explicație pas cu pas:

Answer 2

Răspuns:

{[ 42 x (6 - 100: 25 ) + 24 ]-8}: 5=

{[42·(6-4)+24]-8}:5=

[(42·2+24)-8]:5=

[(84+24)·8]:5=

(108-8):5=

100:5=20

12 - 10:{1+3 x [(57 - 60:4x2):3 +21 ]: 10 } =​

12-10:{1+3[(57-30):3+21]:10}=

12-10:[1+3·(27:3+21)]:10]=

12-10:((1+3·30:10)=

12-10:10=

12-1=11