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六年级下册最难数学题

来源:baiyundou.net   日期:2024-09-21

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诸雅店2592数学六年级下册难题解答1.一个圆柱形容器内放一个长方形铁块,现在打开水龙头网容器中灌水.3分钟时水面恰好没过长方形的顶面.再过18分钟水已经灌满容... -
袁艺从18148917806 ______[答案] 第一题条件不够,没有铁块的高. (2)2x+(4x*2)+10*(2+4)=1000 10x=1000-10*(2+4) x=94 94+10=104 (3)设乙周长为x 3/4x.甲 4/5x.丙 x.乙 0.75:0.8:1 =15:16:20

诸雅店2592给我说20道小学六年级数学难题 -
袁艺从18148917806 ______ 1、一根绳长4/5米,先用去1/4,又用去1/4米,一共用去多少米?2、山羊50只,绵羊比山羊的 4/5多3只,绵羊有多少只?3、看一本120页的书,已看全书的 1/3,再看多少页正好是...

诸雅店2592六年级超难数学题又来了...
袁艺从18148917806 ______ 2.设加价前的观众有a人,一张电影票降价x圆,则, 10a(1+1/5)=(10-x)*2a x=4 是一个x啊,a是一个辅助数,它可以是任何一个常数的,例如1,2,3,等等的数 3.设甲为x千克,则 120+x-70=(x+70)(1-1/8) x=90 1.设甲为x,则乙为200-x, 200-x+1/4x=(1+2/9)*(3/4x) x=120

诸雅店2592来几道较难的六下数学题,要讲解 -
袁艺从18148917806 ______ 设共有 x 吨 则 剩下货物:(x-210)*(1- 1/6)= 5/6 x - 175 运出货物: x - 上式 = 1/6 x + 175 剩下比运出=1比3 所以 ( 5/6 x - 175 )*3 = 1/6 x + 175 解得 7/3 x = 525+175 x=300 吨 给个分吧,太辛苦了,谢谢啊

诸雅店2592数学难题六年级下
袁艺从18148917806 ______ 第一台进价:2400÷(1+20%)=2000元 利润:2400 - 2000=400元 第二台进价:2400÷(1- 20%)=3000元 利润:2400-3000= - 600元所以400-600=-200 即赔了200元

诸雅店2592六年级超难数学题
袁艺从18148917806 ______ B 甲 A 乙 C┗━━━━━━━━━━━━┻━━┻━━━┻━━━┻━━━┻━━━┛ -60 - 3/4 乙 1/4 60 甲 设AC距离为x,则AB为9/10x根据题意:3/(1+3)x=9/10x-60解得:x=400(千米):A、C两地之间的路程为400千米.

诸雅店2592一道较难的六年级下册数学题,大家帮下忙了 -
袁艺从18148917806 ______ 原来小芳是40% 现在小芳占4÷(1+4)=4/5 小芳增加了了36元 所以一共36÷(4/5-40%)=90元 90*40%=36 答:小芳原来存了36元

诸雅店2592小学6年级数学题,超难 -
袁艺从18148917806 ______ 第一次相遇,两人共行了1个全程,甲行了1个90千米 第二次相遇,两人共行了3个全程,甲行了3个90千米 同时,甲行的还是2个全程少50千米 AB两地相距 (90*3+50)÷2=160千米

诸雅店2592六年级下册数学难题
袁艺从18148917806 ______ 一.填空题. 1.五亿八千零六十四万七千写作(580647000),把它改写成万做单位的数是(58064.7)万.省略亿后面的尾数是(6)亿. 2.一个数的4/7是16这个数是28,把它分解质因数(28=2*2*7). 3.一件工作,甲12小时完成,乙15小时,甲乙合作要(6又3分之2)小时. 4.从5个外观相同的球中挑一个次品,至少要用天秤称()次. 5.有5条线段,长度分别是10cm,8cm,6cm和4cm和2cm,请选择其中的三条围成一个三角形,周长至少是(18)厘米. 6.两个完全一样的长方体,每个长是20cm,宽和高是10cm,把他们拼成一个长方体,表面积是(1600或1800)平方厘米

诸雅店2592数学六年级下册难题 -
袁艺从18148917806 ______ 1.一个圆锥形的沙堆,底面积是28.26平方米,高是2m,用这堆沙在5m宽的公路上,铺2cm厚的路面,能铺多少米?解:圆锥体积=1/3*28.26*2=18.84立方米 L=18.84/(5*0.02)=188.4米 答:能铺1.884米2.一辆货车车厢是一个长方体,长是4m,...

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