(11×9-100+1) : ( 1x2x3x4x5x6x7x8x9x10) Question (11×9-100+1) : ( 1x2x3x4x5x6x7x8x9x10) in progress 0 Môn Toán Doris 4 years 2020-10-14T17:42:46+00:00 2020-10-14T17:42:46+00:00 2 Answers 210 views 0
Answers ( )
Đáp án: $0$.
Giải thích các bước giải:
$(11 \times 9-100+1) : ( 1 \times 2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9 \times 10)$
$= (99 – 100 + 1) : ( 1 \times 2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9 \times 10)$
$= 0 : ( 1 \times 2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 \times 9 \times 10)$
$= 0$.
( 11 x 9 – 100 + 1 ) : ( 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 )
Ta có ( 11 x 9 – 100 + 1 ) = 0
một số chia với 0 đc 0 nên => 0 : ( 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 ) = 0
vậy ( 11 x 9 – 100 + 1 ) : ( 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 ) = 0
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