(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
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![(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](/uploads/image/z/351467-35-7.jpg?t=%281%292005%2A0.375-0.375%2A1949%2B3.75%2A2.4+%282%292006%2B200.6%2B20.06%2B2.006%281%292005%2A0.375-0.375%2A1949%2B3.75%2A2.4%282%292006%2B200.6%2B20.06%2B2.006%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%2C%E6%B1%82%E6%B1%82%E4%BD%A0%E4%BB%AC%E4%BA%86%2C%E6%88%91%E6%80%A5%E7%94%A8%E6%88%91%E4%BC%9A%E8%B5%8F%E5%88%86%E7%9A%84)
(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
(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(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
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
1、原式=2005*(3/8)-1949*(3/8)+24*(3/8)=(2005-1949+24)*(3/8)=80*(3/8)=30
2、原式=(2006+200+20+2)+(0.6+0.06+0.006)=2228.666
2005*0.375-0.375*1949+3.75*2.4=2005*0.375-0.375(2005-56)+(0.375*10)*2.4
=2005*0.375-2005*0.375+56*0.375+0.375*24=0.375*80=30
2006+200.6+20.06+2.006=2.006*1000+2.006*100+2.006*10+2.006*1
=2.006*(1000+100+10+1)=2.006*1111=(2+0.006)*1111=2222+6.666=2228.666
2005*0.375-0.375*1949+3.75*2.4
=0.375(2005-1949+24)
=0.375x80
=30
=2006+200.6+20.06+2.006
=2006(1+0.1+0.01+0.001)
=2006X1.111
=2000X1.111+6X1.111
=2222+6.666
=2228.666