Question

13 simplifique cada uma das seguintes expressões ​

Answer 1

Resposta:

a) $\frac{17 + 1}{8 - 2}$ = $\frac{18}{6}$ = 3

b) $\frac{100 - 64}{8 + 10}$ = $\frac{36}{18}$ = 2

c) $\frac{25 - 15}{2 . 5}$ = $\frac{10}{10}$ = 1

d) $\frac{2 . 6}{12 - 4}$ = $\frac{12}{8}$ = 1.5

e) $\frac{32 : 8 + 7}{7}$ = $\frac{11}{7}$

f) $\frac{4.4-1}{2+3}$ = $\frac{15}{5}$ = 3

g) $\frac{21-6:2}{3.2+9}$ = $\frac{18}{15}$

h) $\frac{45:3+2.3}{1+2}$ = $\frac{21}{3}$ = 7

Answer 2

Explicação passo-a-passo:

a

( 17 + 1)/ * ( 8 - 2) = 18/6 = 3 >>>>

b

( 100 - 64 )/ ( 8 + 10 ) = 36/18 = 2 >>>

c

(25 - 15 ) / ( 2 *5 ) = 10/10 = 1 >>>>

d

( 2* 6 )/ (12 - 4 ) = 12/8 =por 4 = 3/2 = 1,5 >>>>

e

( 32 : 8 + 7 )/7

32 / 8 = 4

4 + 7 = + 11

+11/ 7 = 1,571 >>>>

f

( 4 * 4 - 1 )/ (2 + 3 )

4 * 4 = 16

16 -1 = 15 >>>numerador

2 +3 = 5 >>> denominador

15 : 5 = 3 >>>>>>> resposta

g

( 21 - 6 : 2 )/ ( 3 * 2 + 9 )

6 : 2 = 3

21 - 3 = 18 >>>>>numerador

3 8 2 = 6

6 + 9 = 15 denominador

18/15 =por 3 = 6/5 = 1,2 >>>>resposta

h

( 45 : 3 + 2 * 3 )/ ( 1 + 2)

45 : 3 = 15

2 * 3 = 6

15 + 6 = 21 >>>>numerador

1 + 2 = 3 denominador

21 : 3 =7 >>>resposta