Question

tính bằng 2cach

a216:(8x9)

b735:(7x5)

giup minh nhe

Answer 1

735 : ( 7 x 5 ) 

= 735 : 35

= 21

735 : ( 7 x 5 )

= 735 : 7 : 5

= 105 : 5

= 21

Answer 2

a, C1: 216:(8x9)=216:72=3

   C2: 216;(8x9)= 216:8:9=3

b, C1: 735:(7x5)=735:35=21

    C2:735:(7x5)=735:7:5=21

 Chúc bn học tốt!

Answer 3

a, C1:

216 : ( 8 x 9 )

= 216 : 72

= 3

C2:

216 : ( 8 x 9 )

= 216 : 8 : 9

= 27 : 9

= 3

b, C1:

735 : ( 7 x 5 )

= 735 : 35

= 21

C2:

735 : ( 7 x 5 )

= 735 : 7 : 5

= 105 : 5

= 21

Answer 4

216 : ( 8 x 9 )

= 216 : 72

= 3

216 : ( 8 x 9 )

= 216 : 8 : 9

= 3

Answer 5

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Answer 6

a) C1 :

216 : ( 8 x 9 )

= 216 : 72

= 3

C2 : 

216 : ( 8 x 9 )

= 216 : 8 : 9

= 27 : 9

= 3

b) C1 : 

735 : ( 7 x 5 )

= 735 : 35

= 21

C2 : 

735 : ( 7 x 5 )

= 735 : 7 : 5

= 105 : 5

= 21