5.73-2.43+3.27-4.53简便计算19:55后不采纳
问题描述:
5.73-2.43+3.27-4.53简便计算
19:55后不采纳
答
(5.73+3.27)-(2.43+4.53)=9-6.96=2 .04
答
5.73-2.43+3.27-4.53
=(5.73+3.27)+【(-2.43)+(-4.53)】
=9+(-6.96)
=2.04
答
5.73-2.43+3.27-4.53=(5.73+3.27)-(2.43+4.53)
=9-6.96
=2.04
答
=(5.73+3.27)-(2.43+4.53)
=9-6.96
=2.04