Question

1.Tính nhanh

19x64+76x34=?

Answer 1

Ta có: 19x4x16+76x34

=76x16+76x34

=76x(16+34)

=76x50

=3800

Answer 2

fsgsfgsf

Answer 3

\(19\cdot64+76\cdot34\)

=\(19\cdot4\cdot16+76\cdot34\)

=\(76\cdot16+76\cdot34\)

=\(76\cdot\left(34+16\right)\)

=\(76\cdot50\)

=\(76:2\cdot100\)

=\(36\cdot100=3600\)

k cho mh nha bạn

Answer 4

19.64+76.34

=19.4.16+76.34

= 76.16+76.34

=76.(16+34)

=76.50

=3800