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1994+199.4+19.94+1.994

1994+199.4+19.94+1.994=2000-6+200-0.6+20-0.06+2-0.006=2222-6.666=2215.334希望对你有所帮助

1994+199.4+19.94+1.994=1.994(1000+100+10+1)=1.994*1111=2215.334 如果帮到你,请记得采纳,o(∩_∩)o谢谢

1994+199.4+19.94+1.994=2215.334 199999+19999+1999+199+19=222215绝对准

1994+ 199.4 +19.94 +1.94 =1994x(1+0.1+0.01)+1.94 =2213.34+1.94 =2215.28

原第二式是:10.3乘以9.7乘以100.09 则有:原式=(10+0.3)(100.3)*100.09 =(1000.09)*(100+0.09)=100000.0081=9999.0019

222.07328

(1)1994+199.4+19.94+1.994 (2)1+2+3..+50 (3)2.008*360-20.08*41+200.8*2

1234+12345+123456+1234567=1111111111*9999999999=200720072007*2008-200820082008*2007=1994+199.4+19.94+1.994=1991+2003+1998+1997+2008=586000/125=49*46-49*32-49*4=4321*1234-4322*1233= 答案:1371602 ,11111111108888888889,0,2215.334,9997,4688,490,3088

2015+199.4+19.94+1.994=(2000+15) +(200-0.6)+(20-0.06)+(2-0.006)=(2000+200+20+2+15)-(0.6+0.06+0.006)=2237-0.666=2236.334

(2-0.006)*(1+10+100+1000) =2222-6.666 =2215.334

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