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1、(600+45) y 25 X(55-19)45+5X50(55-26) X13616 +(24-17)-可编辑修改-380-113 X29X34-12813 X49=90 X78=37 X25=68+35 X14910 +(35+7)260-220 +4215+297+9342-286910 +(35+7)216 +2X4280 +2+354 X37=45 X60=98 X25=28 X32=67 X40=80X29=72X38=41X21=27X44=42 X28=87X32=63X32=43 X59=25X4 X5=直接写出得数。30 X50 =4X5+9 =5X4+6 =68-17 =
2、50 X70 =25 X30 =12-4 X2 =44 X20 =18 X10 =17 X60 =3+4 X7 =80 +5 =83 X10 =31 X78 内12 X2-6 =450 +3 =50 X60 =68 X52 内5 X12 =40 X22 =18+6 X3=18-5 X3 =5 X14 =9 X4+1 =19 X20 =21-4 X2 =13 X4 =240 8=90 -6 =1000-128=785+642 =4000-896 =690 +3 =或=79 X50( 400027 X61 ( 18002736X2756 X12( 56+12 36 X241224 X50 ( 25 X4075 X20 ( 7506米（6加分米4500 克千克40 X (6+4 )20 X6+40 X (8+4 )60 X8+4千米千克36425236 X4X3 036X158060000米060克 8千米1500 米1千米 7米（700厘米8400千克(46+54 )65-35 +5(360-60 ) +5360-60 +5000米900千克70吨(65-35 ) +5148-78-23吨48- (78-23 )245-34-5468-可编辑修改-THANKS !致力为企业和个人提供合同协议，策划案计划书，学习课件等等打造全网一站式需求欢迎您的下载，资料仅供参考