Question

[532x7-266x14]x[3+5+7+....+97+99]

Answer 1

              Bài làm :

Ta có :

(532x7-266x14)x(3+5+7+...+97+9)

=0x(3+5+7+...+97+9)

=0

Answer 2

(532×7-266×14)×(3+5+7+....+97+99)

=(3724-3724)×(3+5+7+.....+97+99)

=0×(3+5+7+...+97+99)

=0

Answer 3

Trả lời :

\(\left(532.7-266.14\right).\left(3+5+7+...+97+99\right)\)

\(=\left(266.2.7-266.7.2\right).\left(3+5+7+...+97+99\right)\)

\(=0.\left(3+5+7+...+97+99\right)\)

\(=0\)

Học tốt

Answer 4

 [532x7-266x14]x[3+5+7+...+99]

=[532x7-266x2x7]x[3+5+7+...+99]

=[532x7-532x7]x[3+5+7+...+99]

=0x[3+5+7+...+99]

=0