下面各题,怎样算简便就怎样算.3.25+2.36+1.64 2.4+4.85-1.4 &nbs...
下面各题,怎样算简便就怎样算.3.25+2.36+1.642.4+4.85-1.49.2-2.64-3.14-0.2213.56-(4.4+3.44)2.98-3.24+...
下面各题,怎样算简便就怎样算.3.25+2.36+1.64 2.4+4.85-1.4 9.2-2.64-3.14-0.22 13.56-(4.4+3.44) 2.98-3.24+1.12-0.76 3.28-(1.2-3.6)
展开
展开全部
(1)3.25+2.36+1.64
=3.25+(2.36+1.64)
=3.25+4
=7.25;
(2)2.4+4.85-1.4
=2.4-1.4+4.85
=1+4.85
=5.85;
(3)9.2-2.64-3.14-0.22
=8.2-(2.64+3.14+2.22)
=8.2-8
=0.2;
(4)13.56-(4.4+3.44)
=13.56-7.84
=5.72;
(5)2.98-3.24+1.12-0.76
=(2.98+1.12)-(3.24+0.76)
=4.1-4
=0.1;
(6)3.28-(1.2-3.6)
=3.28-1.2+3.6
=2.08+3.6
=5.68.
=3.25+(2.36+1.64)
=3.25+4
=7.25;
(2)2.4+4.85-1.4
=2.4-1.4+4.85
=1+4.85
=5.85;
(3)9.2-2.64-3.14-0.22
=8.2-(2.64+3.14+2.22)
=8.2-8
=0.2;
(4)13.56-(4.4+3.44)
=13.56-7.84
=5.72;
(5)2.98-3.24+1.12-0.76
=(2.98+1.12)-(3.24+0.76)
=4.1-4
=0.1;
(6)3.28-(1.2-3.6)
=3.28-1.2+3.6
=2.08+3.6
=5.68.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询
广告 您可能关注的内容 |