帮我解答数学有理数加减乘除混合运算,-11×（-43/13）+3×（-43/13）-5×（-43/13）-1又1/2×6/7-（-_数学解答

帮我解答数学有理数加减乘除混合运算,
-11×（-43/13）+3×（-43/13）-5×（-43/13）
-1又1/2×6/7-（-6/7）×2又1/2+（-1/2）×6/7

人气：463 ℃　时间：2020-06-02 19:15:00

解答

-11×（-43/13）+3×（-43/13）-5×（-43/13）
=473/13-129/13+215/13
=344/13+215/13
=559/13
=43
-1又1/2×6/7-（-6/7）×2又1/2+（-1/2）×6/7
=6/7X(-3/2+5/2-1/2)
=6/7X1/2
=6/14