Question

Câu 9. (2 điểm) Tính giá trị các biểu thức sau:

a) 79 + 34 – 19.

b) 221 x (43 – 39)

Answer 1

a)79 + 34 -19=96
b)221 x (43-39) = 884

Answer 2

em xin tra loi lai a
A)94            B)884

Answer 3

a, 79 + 34 - 19

= 113 - 19

= 94

b, 221 x (43 - 39)

= 221 x 4

= 884

Answer 4

a) 79 + 34 - 19

= (79 - 19) + 34

= 60 + 34

= 94

b) 221 × (43 - 39

= 221 × 4

= 884

Answer 5

 a/79+34-19=94

b/221*(43-39)=884

Answer 6

a) =   60 + 34

=  94

b) = 221 x 4

= 884

Answer 7

a. 79 + 34 - 19 = 12

b.221 x (43-39) = 884

Answer 8

a)94

b)884

Answer 9

6lhv

Answer 10

a. 104

b. 884

Answer 11

a. 79+34-19=113-19

               =94

b.221x(43-39)=221x4

                      =884

Answer 12

79+34-19=  94             4x221=884

Answer 13

A) 94

B) 884

 

 

Answer 14

A)94,b)884

Answer 15

=114,=5304

Answer 16

94

Answer 17

a) 104      b)884

Answer 18

a/ = 113 -19

= 94

b/=221 x 4 

=884

Answer 19

a) 114     b)5304

Answer 20

a, 79+34-19= 113-19=94

b, 221x(43-39)=221x4=884

Answer 21

94,88

Answer 22

94,88

Answer 23

a:26 

b:884

Answer 24

^_94,884

Answer 25

^_94,884

Answer 26

79+34-19=113-19=94                                   221x(43-39)=221x4=884

Answer 27

a.79+34-19=113-19=94

b) 221 x (43-39) = 221x4=884

               

Answer 28

a) 79 + 34 - 19

= 113 - 19

= 147

b) 221 x (43 - 39)

= 221 x 4

= 884

Answer 29

a) 79 + 34 - 19

=      113   -  19

=             94

 

b) 221 x (43 - 39)

= 221 x 4

= 884

 

Answer 30

a)95

b)884