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精品文档小学数学五年级上册简便计算练习1请用简便方法计算下列各题3欢在下载0.25 X0.280.125X3.2 X2.535X 40.20.25 X4 + 0.25 X43.5X9.93.5义 99+3.53.5 X 101-3.53.5X9.9+3.5 X0.13.5 X 2.7+35 X0.73+ 0.6-0.5 +0.63.5 X 2.7-3.5 X0.7(32+5.6)+0.83.54.9 +3.57+0.25+47+0.125 +87.35 +(7.35 X 0.25)7.325-(5.325+1.7)3.29+0.73+2.2763.4 +2.5 +0.44.9 +1.43.9+ (1.3 X 5)精品文档(7.7 + 1.54) +72.5 X2.42.7+ 450.35 X1.25 X2X0.832.4 X 0.9 +0.1 X 32.415+0.2528.6 X 101 28.60.86 X15.7 -0.86 X 14.72.4 X10214-7.32 -2.682.64+8.67 +7.36 + 11.332.31 X 1.2 X 0.5(2.50.25) X0.49.16 X1.5 -0.5 X9.163.6 -3.6 X0.50.25 X 360.125 X3.2 X2.535X40.2