分数小数混合运算练习80题

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3、.6 - 6- 1.543543. 1- 7 - (14.6253612 144. 50.3523 411113、45. 84 14 16(1)22 1414392446. 210.32120.32713 7131.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.477 3/4 - 767 一42 一 74254148.(32.75)1-2236553181431.40.314 -10251566.15-3©67.295015_2871136716一 51611_212 - 7668.53 1535639914352

4、.(2181 1口3.875) (992901153. 1.65(40.8)(0.53)54.(11.16618.58)3.755.3.720.266.28 63.72156.56 271312757.2 +1; x2牯11111373243551.1 丄3)1369.1*石+石342 55)212158270.(2-31x16丿*( 4i 15* 32 )7-(347171.118 -13x-7+亦*11)5371572.3刃+ 8x（气-2-292513973.飞+ 6+ 23+ 38 )x 1474.9-(右 + 8)x 24 * 13559.1062 1 16116( 93 + 3 宁方)76.21+ 1* 3.84x 34-3.5223162.( 35 - 23 x 4 4577.813(弔 x 435+ 55821163. (41-10 宁2)1078.13(8.25 -6令)+ 4.2 ) x 764.225