计算19+299+3999+49999=_____
计算19+299+3999+49999=___. -
原式=20-1+300-1+4000-1+50000-1=54320-4=54316．
原式=20-1+300-1+4000-1+50000-1=54320-4=54316．
原式=20-1+300-1+4000-1+50000-1=54320-4=54316．
原式=20-1+300-1+4000-1+50000-1=54320-4=54316．
19+299+3999+49999 =20-1+300-1+4000-1+50000\-1 =(20+300+4000+50000)-1-1-1-1 =54320-4 =54316
19+299+3999+49999 =20-1+300-1+4000-1+50000-1 =54320-4 54316
19 299 3999 49999 5简便计算? -
19 299 3999 49999解法：原公式=(20-1)(300-1)(4000-1)(50000-1)=(20 300 4000 5000)(-1-1-1)= 54320-4 19 299 3999 49999=(20-1) (300-1) (4000-1) (50000-1)=(20 300 4000 50000)-(1 1 1 1)=54320-4=54316 19 299 3999 49999=(20-1) (300-1) (4000-1) (是什么。
答案是54316
简便计算: 19+299+3999+49999 -
19+299+3999+49999 解：原式=(20-1)+(300-1)+(4000-1)+(50000-1)=(20+300+4000+50000)+(-1-1-1-1）54320-4 =54316
简便计算19+299+3999+49999 =20+300+4000+50000-4 =54320-4 =54316
19 299 3999 49999 599999有什么方法简算 -
600000-1+50000-1+4000-1+300-1+20-1 =600000+50000+4000+300+20-5 =654320-5 =654315
2.1566 3.-1/6 4.-8 5.a-0.3a 6.60 7.离B点20米 9.C 10.A 13.19+299+3999+49999=20-1+300-1+4000-1+50000-1=54319