Question

45,28 + 52,17 - 15,28 - 12,17 

Answer 1

45,28 + 52,17 - 15,28 - 12,17

= (45,28 - 15,28) + (52,17 - 12,17)

= 30 + 40

= 70

Answer 2

45,28+52,17-15,28-12,17=70

ủng hộ nha

Answer 3

45,28 + 52,17 - 15,28 - 12,17 

= 45,28 - 15,28 + 52,17 - 12,17 

= 30 + 40

= 70

Answer 4

\(45,28+52,17-15,28-12,17=\left(45,28-15,28\right)+\left(52,17-12,17\right)\)

\(=30+40=70\)

Answer 5

45,28 + 52,17 - 15,28 - 12,17

=(45,28 - 15,28)+(52,17 - 12,17)

=30 +40

=70

Answer 6

45,28+52,17-15,28-12,27

=(45,28-15,28)+(52,17-12,17)

=30+40

=70