70x939+61x135-61x65là bằng bao nhiêu

2 câu trả lời

70 x 939 + 61 x 135 - 61 x 65

= 70 x 939 + 61 x ( 135 - 65 )

= 70 x 939 + 61 x 70

= 70 x ( 939 + 61)

= 70 x 1000

= 70000

70x939+61x135-61x65

=70x939+61x(135-65)

=70x939+61x70

=70x(939+61)

=70x1000

=70000