怎样算简便就怎样算. 4.32+5.43+6.68; 17.
怎样算简便就怎样算.4.32+5.43+6.68;17.17-6.8-3.2;16.8×10.1;2.74×9.5+5×0.274....
怎样算简便就怎样算. 4.32+5.43+6.68; 17.17-6.8-3.2; 16.8×10.1; 2.74×9.5+5×0.274.
展开
展开全部
(1)4.32+5.43+6.68,
=(4.32+6.68)+5.43,
=11+5.43,
=16.43;
(2)17.17-6.8-3.2,
=17.17-(6.8+3.2),
=17.17-10,
=7.17;
(3)16.8×10.1,
=16.8×(10+0.1),
=16.8×10+16.8×0.1,
=168+1.68,
=169.68;
(4)2.74×9.5+5×0.274,
=0.274×95+5×0.274,
=(95+5)×0.274,
=100×0.274,
=27.4.
=(4.32+6.68)+5.43,
=11+5.43,
=16.43;
(2)17.17-6.8-3.2,
=17.17-(6.8+3.2),
=17.17-10,
=7.17;
(3)16.8×10.1,
=16.8×(10+0.1),
=16.8×10+16.8×0.1,
=168+1.68,
=169.68;
(4)2.74×9.5+5×0.274,
=0.274×95+5×0.274,
=(95+5)×0.274,
=100×0.274,
=27.4.
展开全部
43;
(2)17.17-6.32+5.43+6,
=5.29×10,
=52.9;
(4)16.8×10,
=0.36+3.5+5×0.5),
=2.68,
=4.2,
=5.29×(9+1).32+6.68+5.17;
(3)5.8×10+16.5+0.43,
=11+5.43.8-3,
=16,
=169.68.5+0.8+3.274.1,
=17.2.74,
=2,
=16.17-(6,
=27.2),
=17.17-10,
=7.29×9+5.29,
=2.74×9(1)4,
=168+1.68.74×(9;
(5)2.74×9.5×2;
(6)0.36+9.74×10.4.8×0.1.6÷3
(2)17.17-6.32+5.43+6,
=5.29×10,
=52.9;
(4)16.8×10,
=0.36+3.5+5×0.5),
=2.68,
=4.2,
=5.29×(9+1).32+6.68+5.17;
(3)5.8×10+16.5+0.43,
=11+5.43.8-3,
=16,
=169.68.5+0.8+3.274.1,
=17.2.74,
=2,
=16.17-(6,
=27.2),
=17.17-10,
=7.29×9+5.29,
=2.74×9(1)4,
=168+1.68.74×(9;
(5)2.74×9.5×2;
(6)0.36+9.74×10.4.8×0.1.6÷3
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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