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大小:33.50 KB
页数:2页
时间:2020-03-17
《小数的巧算提取公因数.doc》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、(1)5.7×9.9+0.1×5.7(2)4.6×99+4.6(3)7.5×101-7.5(4)19.94×2010-19.93×2011(5)4.65×32-2.5×46.5-70×0.465(6)100×7.9+184×2.1+84×2.9(7)6.3×27+1.9×21(8)4.7×2.8+3.6×9.4(9)3.75×4.8+62.5×0.48(10)1250×0.037+0.125×160+12.5×2.7(11)3.6×232-36×13.2-360(12)3.42×76.3+7.63×57.6+9.18×23.7(13)1.23×2.45-1.22×2.
2、46(14)1.999×2003-1.998×2004(15)1240×3.4+1.24×2300+12.4×430(16)7.816×1.45+3.14×2.184+1.69×7.816(17)200.9×20.08-200.8×20.07(18)20.5×0.15+20.5×0.3+0.55×20.5(19)2.894.68+4.686.11+4.68(20)28.6767+3228.67+573.40.05(21)754.7+15.925(22)17.4837-17.4819+17.4882(23)0.888×125×73+999×3(24)17.48×37-1
3、7.48×19+17.48×82(25)75×4.7+15.9×25(26)28.67×67+32×286.7+573.4×0.05(27)34.5×8.23-34.5+2.77×34.5(28)6.25×0.16+264×0.0625+5.2×6.25+0.625×20(29)11.8×43-860×0.09(30)0.035×935+0.035+3×0.035+0.07×61×0.5(31)19.98×37-199.8×1.9+1998×0.82(32)32.14+64.28×0.5378×0.25+0.5378×64.28×0.75(33)2.89×4.68+4
4、.68×6.11+4.68(34)41.2×8.1+11×1.25+53.7×1.9(35)0.47×0.46+4.7×0.84+11.4×0.047
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