21.7-(15.7+2又1/3)=?
1个回答
21.7-(15.7+2又1/3)
=21.7-15.7-2又1/3
=6-2又1/3
=3又2/3
相关问题
3又1/7*21/22*(3又1/7-7又1/3)*(-7/22)
3又1/7×(3又1/7-7又1/3)×7/22×21/22
(3又7/1)X(3又7/1-7又3/1)X22/7X22/21
(1)15.5+(-3又4/7)+(-5又1/2)+(-4又3/7)=?
(1/4)^2÷(-1/2)^3+0÷2/5-[21*(3又1/7-7又1/3)*7/22÷3/1/2]^2
33又1/3+1/3=?1.2-1/5=?3又1/2+15=?3又2/7+6又5/7=?3又8/11-1又1/7=?2又
(-3又5/7)+(15.5)+(-17又2/7)+(-5又1/2)
11又7/9-(+9又1/10)-8又1/5-(-7又1/3)-|5又2/3-21又1/5|=
1,15,1,2,7算21