Trang chủ » Hỏi đáp » Môn Toán -9/11 . 3/17 – 9/11 . 10/17 + 9/11 . 21/17 20/04/2023 -9/11 . 3/17 – 9/11 . 10/17 + 9/11 . 21/17
(-9)/11 . 2/17-9/11 . 10/17 + 9/11 . 21/17 =9/11 . (-2)/17- 9/11 . 10/17 + 9/11 . 21/17 =9/11((-2)/17-10/17+21/17) =9/11 . (-2-10+21)/17 =9/11 . 9/17 =(9.9)/(11.17) =81/187 Trả lời
( -9/11 ) . 3/17 – 9/11 . 10/17 + 9/11 . 21/17 = -9/11 . 3/17 + ( -9/11 ) . 10/17 – ( -9/11 ) . 21/17 = -9/11 . ( 3/17 + 10/17 – 21/17 ) = -9/11 . ( -8/17 ) = 72/187 Trả lời
2 bình luận về “-9/11 . 3/17 – 9/11 . 10/17 + 9/11 . 21/17”