小弟跪求！好的快的加分！！！！！！！！！
没有算了 自己做 50分报废了。1楼的乱打，2楼的题目有几千道，你让我怎么发，新华书店有卖，看问题自己去看。
第1个回答 2010-03-30
17×40＝680, 100－63＝37, 3.2＋1.68＝4.88, 2.8×0.4＝ 1.12
14－7.4＝6.6, 1.92÷0.04＝48, 0.32×500＝160, 0.65＋4.35＝ 5
10－5.4＝4.6, 4÷20＝0.2, 3.5×200＝700, 1.5－0.06＝1.44
0.75÷15＝0.05, 0.4×0.8＝0.32, 4×0.25＝1, 0.36＋1.54＝2
1.01×99＝99.99, 420÷35＝12, 25×12＝300, 135÷0.5＝270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17＝0.03, 32.8＋19＝51.8, 5.2÷1.3＝4, 1.6×0.4＝ 0.64
4.9×0.7＝3.43, 1÷5＝0.2, 6÷12＝0.5, 0.87－0.49＝0.38
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...
457+456=913... 7+14=21 ... 18-9=9...
8+16=24 ... 25-5=20... 9+18=27... 56-45=11... 10+20=30... 45-23=22...
11+22=33... 78-23=55... 12+24=36... 10-3=7 15-4=11 20-5=15
25-6=19 30-7=23 35-8=27 40-9=31 45-10=35 50-11=39 55-12=43
60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67
90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91
120-25=95 125-26=99 130-27=103 13+26=39... 14+28=42... 15+30=45... 16+32=48... 17+34=51... 18+36=54... 19+38=57... 20+40=60...
21+42=63... 22+44=66... 23+46=69... 24+48=72... 25+50=75...
26+52=78... 27+54=81... 28+56=84... 29+58=87... 30+60=90...
31+62=93... 32+64=96... 33+66=99... 5 ÷1 =5 10 ÷2 =5 15 ÷3 =5
20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5
55 ÷11 =5 60 ÷12 =5 70 ÷14 =5 75 ÷15 =5 80 ÷16= 5 85 ÷17= 5
90 ÷18= 5 95 ÷19= 5
14－7.4＝6.6, 1.92÷0.04＝48, 0.32×500＝160, 0.65＋4.35＝ 5
10－5.4＝4.6, 4÷20＝0.2, 3.5×200＝700, 1.5－0.06＝1.44
0.75÷15＝0.05, 0.4×0.8＝0.32, 4×0.25＝1, 0.36＋1.54＝2
1.01×99＝99.99, 420÷35＝12, 25×12＝300, 135÷0.5＝270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17＝0.03, 32.8＋19＝51.8, 5.2÷1.3＝4, 1.6×0.4＝ 0.64
4.9×0.7＝3.43, 1÷5＝0.2, 6÷12＝0.5, 0.87－0.49＝0.38
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...
457+456=913... 7+14=21 ... 18-9=9...
8+16=24 ... 25-5=20... 9+18=27... 56-45=11... 10+20=30... 45-23=22...
11+22=33... 78-23=55... 12+24=36... 10-3=7 15-4=11 20-5=15
25-6=19 30-7=23 35-8=27 40-9=31 45-10=35 50-11=39 55-12=43
60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67
90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91
120-25=95 125-26=99 130-27=103 13+26=39... 14+28=42... 15+30=45... 16+32=48... 17+34=51... 18+36=54... 19+38=57... 20+40=60...
21+42=63... 22+44=66... 23+46=69... 24+48=72... 25+50=75...
26+52=78... 27+54=81... 28+56=84... 29+58=87... 30+60=90...
31+62=93... 32+64=96... 33+66=99... 5 ÷1 =5 10 ÷2 =5 15 ÷3 =5
20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5
55 ÷11 =5 60 ÷12 =5 70 ÷14 =5 75 ÷15 =5 80 ÷16= 5 85 ÷17= 5
90 ÷18= 5 95 ÷19= 5
第2个回答 2010-03-21
好多的拜托，自己写写吧，这是为你自己的，不是为老师而学的。本回答被提问者采纳
第3个回答 2010-03-14
额 12354879846845444647844646486454654123136489946545154645644646446454644644545464644684845645464548454564545454484456465884564441548784484548454544568465385371431764759851735174765475173532712714578745175747417457145174517541745754747547656745714571274574571457457457457474767474744745714132747547945794132243724974576125194164514213213461546564516451321342132461546156451645643213212121545454231212545421213134844587784512121231355465564545456485454255565872874
第4个回答 2010-03-25
!!!!!!!!汗那么懒
第5个回答 2010-03-14
楼主把题目发上来吧
