简便计算方法测试题.docx

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1、用简便方法计算。2.51.25-3215201.3-20.13-+201350%1002-X94-tl44?36(-1) X3)6325.6-8.44-1.562.354.75-4.50.2+-I3J987+99X98786.43.2-6.4X3.237632663z11、17-16.8(1.8+7.2-)J-Lj743(9+石7)x637i314-51、,3、15(-)0.5(ZZo855418+7453.4l(1.25+0.45)23J(87.2+87.2+8722)X25765673+765X3274.8X3.9+6.1X4.8(324(-i)-1684343z7112x70253212

2、5-6-5.4+80%5.6-0.8533型二22174229+7142)35(156X-26)-11712一813+1335(l-)7312(9.57-(2.57+3.38)-2.62353(63；3.698+360.20.25X-+2.5%59.6-ll7+-47121.256.9X899X0.79+0.79(2T)XQ262052.1)4 - 9 +5 - 6X2 - 3+1 - 3卫27 +5X16一275144.855.15-yy112B+B5(+)X1715173413-(-)-6.32.86.3X7.2103.471.53i+-450+(8.16+6.84)0.63121864(47.5-)-1512z315(4W+2)331二(一+x5)4105Al-Ll.251351335.79X37+35.79X82-357.91.95332(0.875-)0.25J-(-)68291313293(0.75-)16+137+6313./3、24(L*X4)r16.8(4.3X2-0.2)0.16+4(-)841.7+3.98+5104.83.9+6.1X4-536X(-+)9121.9+0.1-1.9+0.1