Question

Tinh bang 2 cach:a;85,35:5+63,05:5

Answer 1

C1 : \(85,35:5+63,05:5=17,07+12,61\)

                                           \(=29,68\)

C2 :  \(85,35:5+63,05:5=\left(85,35+63,05\right):5\)

                                           \(=148,4:5=29,68\)

Answer 2

Cách 1:

85,35 : 5 + 63,05 : 5

= 17,07 + 12,61

= 29,68

Cách 2 :

85,35 : 5 + 63,05 : 5

= ( 85,35 + 63,05 ) : 5

= 148,4 : 5

= 29,68

^_^ hok tốt ^_^