作业帮(1)2005*0.375-0.375*1949+3.75*2.4 (2)2006+200.6+20.06+2.006
来源：学生作业帮 编辑：作业帮 分类：数学作业 时间：2024/05/08 18:11:29
(1)2005*0.375-0.375*1949+3.75*2.4 (2)2006+200.6+20.06+2.006
(1)2005*0.375-0.375*1949+3.75*2.4
(2)2006+200.6+20.06+2.006
简便运算,求求你们了,我急用
我会赏分的
(1)2005*0.375-0.375*1949+3.75*2.4
(2)2006+200.6+20.06+2.006
简便运算,求求你们了,我急用
我会赏分的
1、2005*0.375-0.375*1949+3.75*2.4
=0.375×(2005－1949+24)
=0.375×80
=30
2、2006+200.6+20.06+2.006
=2.006×1000+2.006×100+2.006×10+2.006×1
=2.006×1111
=2228.666
=0.375×(2005－1949+24)
=0.375×80
=30
2、2006+200.6+20.06+2.006
=2.006×1000+2.006×100+2.006×10+2.006×1
=2.006×1111
=2228.666
简便计算 2005×0.375-0.375×1949+3.75×2.4
计算：2005×38−0.375×1949+3.75×2.4
2005*3/8—0.375*1949+3.75*10.4
简算 2005乘以8分之3—0.375+1949+3.75乘以10.4
6.25-0.625+3.75-0.375简算
化简比：2.4:3.6 1\8:0.375 57:38
（2又2/5*37+24*2又1/2-2.4*52）*（1/3+1/12-0.375）
5.6*0.375+3/8*5.4-3.75 简算
简算 3.75×735-0.375×5730+16.2×62.5
计算：2013×38-0.375×1952+3.75×1.9
1：x＝0.375
2.75-(-1/2)+(-5/6)-(-0.375)-14/3