数学北师大版六年级下册相关练习

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1、公式1：a－b－c=a－（b＋c）10－0.432－2.568 9.3－5.26－2.7413.4－（3.4＋5.2）14.9－（5.2＋4.9）18.32－5.47－4.32 17.29－5.28－6.29公式2：（aXb）Xc=aX（bXc）25×6.8×0.040.25×32×0.1256.4×1.25×12.5公式3：c×（a+b）=ca＋cb0.45×201 0.58×10.150.2×994.7×9.9 3.28X5.7＋6.72X5.72.1×99＋2.11.7×9.9＋0.1723×0.1＋2.3×9.90.18＋4.

2、26－0.18＋4.260.58X1.3÷0.58X1.3 7.3÷4＋2.7X0.25 3.75X0.5－2.75÷2 5.26X0.125＋2.74÷8 公式4：a÷b÷c=a÷（b×c）6.3÷1.84.2÷3.5 9.5÷（1.9×8）12.8÷（0.4×1.6）930÷0.6÷563.4÷2.5÷0.4（7.7＋1.54）÷0.7（11.7＋9.9）÷0.9简便计算：100－0.99 10.99＋9.87 4.089÷0.047 0.24×390 6.9＋4.8＋3.1 0.456＋6.22＋3.78 15.89＋(6.75

3、－5.89)4.02＋5.4＋0.98 5.17－1.8－3.2 13.75－(3.75＋6.48)3.68＋7.56－2.68 7.85+2.34-0.85+4.6635.6-1.8-15.6-7.23.82+2.9+0.18+9.19.6+4.8-3.6 7.14-0.53-2.475.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.3647.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.2566.86－8.66－1.34 0.25

4、×16.2×4 (1.25-0.125)X83.6X102 3.72X3.5+6.28X3.5 36.8－3.9－6.14.8×7.8＋78×0.52 32＋4.9－0.9 4.8×100.1 56.5×9.9＋56.5 7.09X10.8-0.8X7.0925.48－(9.4－0.52) 4.2÷3.5 320÷1.25÷8 18.76×9.9＋18.76 3.52÷2.5÷0.4 3.9－4.1＋6.1－5.95.6÷3.5 9.6÷0.8÷0.4 4.2×99＋4.2 17.8÷(1.78×4) 0.49÷1.4 1.25×2.

5、5×32 3.65×10.1 15.2÷0.25÷4 0.89×100.1 146.5－(23＋46.5)3.83×4.56＋3.83×5.44 4.36×12.5×8 9.7×99＋9.7 27.5×3.7－7.5×3.7 8.54÷2.5÷0.4 0.65×1013.2×0.25×12.5 7.2×0.2＋2.4×1.4 8.9×1.01 7.74×（2.8－1.3）＋1.5×2.263.9×2.7＋3.9×7.3 18－1.8÷0.125÷0.8 12.7×9.9＋1.27 21×（9.3－3.7）－5.6 15.02-6.8-

6、1.02 5.4×11-5.4 2.3×16+2.3×23+2.3 9.43-（6.28-1.57） 3.65×4.7－36.5×0.37 46×57＋23×86 13.7×0.25－3.7÷4 2.22×9.9+6.66×6.7 101×0.87-0.91×87 10.7×16.1-15.1×10.70.79×199 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.6

7、6+0.866 1.27+3.9+0.73+16.1 7.5＋4.9－6.5 3.07－0.38－1.62 1.29＋3.7＋2.71＋6.3 8－2.45－1.553.25＋1.79－0.59＋1.75 23.4－0.8－13.4－7.2 0.32×4033.2＋0.36＋4.8＋1.64 1.23＋3.4－0.23＋6.6 0.25×3612.7－（3.7＋0.84） 36.54－1.76－4.54 0.25×0.73×47.6×0.8＋0.2×7.6 0.85×199 0.25×8.5×4 1.28×8.6＋0.72×8.612

8、.5×0.96×0.8 10.4－9.6×0.350.8×（4.3×1.25） 3.12＋3.12×99 28.6×101－28.60.86×15.7－0.86×14.7 2.4×102 2.31×1.2×0.514－7