Question

tính nhanh

13,19x26+13,19x75-13,19

Answer 1

=13,19x(26+75-1)

=13,19x90

=1187,1

Answer 2

= 13,19 x 26 + 13,19 x 75 - 13,19 x 1

= 13,19 x ( 26 + 75 - 1 )

= 13,19 x 100

= 1319

:))

Answer 3

=13.19* 26 + 13.19 * 75 -13.19 * 1

=13.19 * [26+75-1]

=13.19 * 100

=1319

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Answer 4

13,19 x 26 + 13,19 x 75-13,19 x 1

=13,19 x ( 26 + 75 - 1 )

= 13,19 x 100

= 1319