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﹙-1又3/4﹚-﹙+6又1/3﹚-2.25+4.25=??拜托了 谢谢

发布时间:2020-09-09

这样共6+3+2=11,
5/3+4/9= 36/77-3/5= 101×1/8-1/8= 7/9×1/5+7/9×4/5= 8/9*7/9= 1/6+3/6= 1/4-1/5= 3/3/5= 5/6*2/3= 5/7-1/2= 1.(1+1/100) 2.(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.。答案是这样的: 分马人又牵来一匹,共12匹,所以分马人又把那匹牵回去了。
1/7+2/3=17/21 1/2+1/3=5/6 3/4-3/8=3/8 1-7/9=2/9 2-1/6=11/6 2/5+3/5=1 5/6-2/3=1/6 4/5+1/6-4/5=1/6 7/8-5/12+5/6 =7/8+5/12 =31/24 4/5-(1/6+1/12) =4/5-1/4 =11/20 2/5+(3/4+3/5+1/4) =2/5+8/5 =2 4-8/13-5/13 =4-1 =3 4/5+(1/5+3/8) 。解:原式=2.1*(67/7+3/7)+(-5)*(7/4+1/4) =21-10 =11。解: x-3/7=1/2。老三分的1/6得2匹,这是一道古典数学题, x=3/7+1/2 x=6/14+7/14 x=13/14 x+2/3=14/9. x=14/9-2/3 x=14/9-6/9 x=8/9 X-5/6=1/3 x=1/3+5/6 x=2/6+5/6 x=7/6。(1/4-1/6)×12 =1/4×12-1/6×12 =3-2 =1 34×(2+13/34) =68+13 =81 1又3/4×2又4/15×4/7 =7/4×4/7×2又4/15 =2又4/15 (11/12+7/18+5/24)乘72 =11×6+7×4+5×3 =66+28+15 =109 4.25-3又5/6-(2又1/6-1又3/4) =4又1/4-3又5/6-2又1/6+1又3/4) 。 采纳哦(+3又3/4)﹣(﹣1又1/2)+(1/6)﹣(﹣5/8)﹣(+4又2/3) =3又3/4+1又1/2)+1/6+5/8﹣4又2/3 =(3又3/4+1又1/2+5/8)-(4又2/3-1/6) =5又7/8-4又1/2 =1又3/8。原式=【3又3/4-(0.2+1/3)*4.5】/(1.05+6又9/20) =[15/4-(1/5+1/3)×9/2]/(1+1/20+6+9/20) =(15/4-8/15×9/2)/(7+1/2) =(15/4-12/5)/(15/2) =(75/20-48/20)×2/15 =27/20×2/15 =9/50。-1又3/4-[1/2-(3/4+1/2-1又3/8)+5/8] =-7/4-1/2+3/4+1/2-11/8-5/8 =-7/4+3/4-(11/8+5/8) =-1-2 =-3。8又2/1+4又4/1+2又8/1+12又3/1+6又6/1+3又12/1+16又4/1+8又8/1+4又16/1 =(8+4+2+12+6+3+16+8+4)+(1/2+1/4+1/8+1/3+1/6+1/12+1/4+1/8+1/16) =63+[(1/2+1/4+1/8+1/4+1/8+1/16)+(1/3+1/6+1/12)] =63+(21/16+7/12) =63+(7/4)×(3/4+1/3) 。老二分得1/4得3匹,
老大分得1/2得6匹,
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