精品文档。1欢迎下载一、分数计算(最新整理)(18 - 14 ÷4×14 )÷12(111+999)÷ [56 ×( 37 -38 )] (15 + 18 )× 160× 11315-( 713 ÷2+5)6.4 ÷45 +1.25 ×335[0.25 ×4-( 56 + 112 )] ×56720 ×1125 + 1425 × 72023 +( 12 +23 )× 27310 ×( 12 +13 )÷1875 ×[280 ÷( 7.28 +6.72 )] 87 -3215 ÷85 +163(34 -51 ×41 )÷154精品文档。2欢迎下载54 ×185 +73 +9787 ÷〔(87 -43 )×54 〕6×(152 +121 )-812-95 ÷32 -6137 -(53 ÷209 +238 )〔2-(58 +31 )〕÷1541-(85 ÷23 +41 )75 ÷98 +87 ÷57 -75(1-31 ÷74 )×103(53 -53 ×95 )÷94〔65 -(43 -21 )〕÷1571615 ×〔 1÷(32 +21 )〕(2621×713+21 )÷952417 ÷5+51 ÷724 +0.2 74 ÷〔(65 -54 )÷167 〕〔4-(43 -83 )〕÷81精品文档。3欢迎下载158 ÷〔325 ×(109 +61 )〕3-185 ×4027 -1613212 ÷〔(43 -32 )×76 〕51 ÷3+54 ×3194 +72 +185 ÷2172×(21 –31 +41 )2–32 ÷54 –6198 +76 ×32 +7383 +54 ×65 +3171 ×116 +115 ÷7 4–158 ÷32 –5198 ×( 9+43 )–3287 ÷32 +87 ×2154 +85 ÷41 +21精品文档。4欢迎下载2–98 ×43 –3130×(61 +52 –21 )87 +32 ÷54 +616–125 ×109 –813134 ×51 +139 ÷5 12×(21 –31 +41 )51 +94 ×83+654–52 ÷158 –4148×(31 –21 +41 )256 ÷9+256 ×98(53 +41 ) ×60– 27 53 ×8+53 × 2 15×73 +15×74精品文档。5欢迎下载(98 +43 –32 ) ×72 72×(21 –31 +41 ) (95 +131 ) ×9+13430×(21 –31 +61 ) 712 ×(67 +314 ) 1718 × 910 +1718 ÷10 9.56 +4.875 -78 +1.44 34 ÷6-16 ×144.6 ×138 +8.4 ÷ 811 -138 ×5 4÷123 +6×351835 ×1920 +225 ×1920 -19202 225 ×80× 813 ×1.25 精品文档。6欢迎下载25×1.25 ×4×8 0.7 +3.9 +4.3 +6.1 7.35 ×99+7.35 47-8÷17- 91715.6 -227 -45714×214 +14×33434 ÷ 611 + 317 +5889 × 715 + 815 ÷98 +893-59 × 720 -1136457 -313 +127 -22357 ×43 +27 ×4...