Question

câu 1. tính nhanh

4,76 x 5 + 5,24 x 5 =

Answer 1

4,76.5+5,24.5

=(4,76+5,24).(5+5)

=10.10

=100

Answer 2

4,76 x 5 + 5,24 x5

=(4,76 + 5,24 ) x 5

=10 x 5

= 50 

k nha ban

năn nỉ đóviet dep trai

Answer 3

4,76 x 5 + 5,24 x 5

= 5 x (4,76 + 5,24)

= 5 x 10

= 50

Answer 4

\(4,76\times5+5,24\times5\)

\(=5\times\left(4,76+5,24\right)\)

\(=5\times10\)

\(=50\)