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如有侵权,请联系网站删除,仅供学习与交流六年级简便计算及答案【精品文档】第 3 页0.4125250.8 =(0.425)(1250.8)=10100=1000 1.25(8+10) =1.258+1.2510=10+12.5=22.5 9123-(123+8.8) =9123-123-8.8=9000-8.8=8991.2 1.248.3+8.31.76 =8.3(1.24+1.76)=8.33=24.9 99991001 =9999(1000+1)=99991000+99991 =10008999 14.86.3-6.36.5+8.33.7 =(14.8-6.5)6.3+8.33.7=8.36.3+8.33.7 8.3(6.3+3.7) =8.310 =83 1.24+0.78+8.76 =(1.24+8.76)+0.78 =10+0.78 =10.78 933-157-43 =933-(157+43)=933-200=733 4821-998 =4821-1000+2=3823 I3212525 =4812525 =(425)(8125)=1001000 =1000009048268 =(2600+2600+2600+1248)26=260026+260026+260026+1248269 =100+100+100+48=348