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CHAPTER II REVIEW OF RELATED LITERATURE Introduction My academic training tells me that I need to be very much impersonal when it comes to writing academically. However, my experience with working with my supervisor, Professor Schostak, has somewhat created a tug-of-war inside myself, as he ...
253+306÷18x24简便计算: 253+306÷18×24 =253+306×(4/3) =253+408 =661 扩展资料 简算方法: 1、拆分法 顾名思义,拆分法就是为了方便计算把一个数拆成几个数。这需要掌握一些“好朋友”,如:2和5,4和5,2和2.5,4和2.5,8和1.25等。分拆还要注意不要改变数的大小哦。 例如: 3.2×12.5×25 =8...
百度试题 结果1 题目速算与巧算132X31十18X24一7X132 相关知识点: 试题来源: 解析 132×31+18×24-7×132 =132×(31-7)+18×24 =132×24+18×24 =24×(132+18) =24×150 =24×(100+50) =24×100+24×50 =2400+1200 =3600反馈 收藏 ...
计算求值(1)利用因式分解说明:25^5+5^(11)能被30整除.(2)先因式分解,然后计算求值:18x^2+24xy+8y^2,其中x=4/3,v=-1/2.
【解析】x+18=42x=42-18x=24【方程的解定义】使方程左右两边相等的未知数的值,叫做方程的解.【解方程的定义】求方程的解的过程,叫做解方程.【解方程的步骤】1. 去括号:运用乘法分配律;即a(b+c) = ab+ac;括号前边是“一”,去掉括号要变 号;括号前边是“+”,去掉括号不变号。2. 符号过墙魔法,越过“...
解方程.18x=108.24x=120.75x=150.x÷3=5.4. 答案 (1)x=6.(2)x=5.(3)x=2.(4)x=16.2.(1)18x=108x=108÷18x=6.(2)24x=120x=120÷24x=5.(3)75x=150x=150÷75x=2.(4)x÷3=5.4x=5.4×3x=16.2. 结果二 题目 【题目】2.解方程。18x=10824x=12075x=150x÷3=5.4 答案 【解析】2....
17/6(x+24)=3(x-24) 17(x+24)=18(x-24) 17x+17×24=18x-18×24 x=24×35 x=840 分析总结。 扫码下载作业帮拍照答疑一拍即得答案解析查看更多优质解析举报17结果一 题目 17/6(x+24)=3(x-24)解方程, 答案 17/6(x+24)=3(x-24)17(x+24)=18(x-24)17x+17×24=18x-18×24x=24×35...
(1)-11x 18x+41,只有一个未知数,并且未知数的次数都是1,所以此式是一元一次不等式 (2)4xy 56-33y,此式中含有两个未知数,并且未知数的最高次数是2,故不是一元一次不等式 (3)21y+6(49y-24)≤ -1,只有一个未知数,并且未知数的次数都是1,所以此式是一元一次不等式 (4)8x^5-1≥ 7x,...