27.38-5.34+2.62-4.6=?用简便运算
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5.38+88.2-2.38+1.8=5.38-2.38+(88.2+1.8)=3+90=9328.38-5.34+26.3-4.66=(28.38+26.3)-(5.34+4.66)=54.68-1
2.62市尺等于87.18厘米
大5.344小5.339
4.92-1.92=35.34+0.66=6结果等于3+6=9
6.38+2.62=93/4+25%=16.38-3/4+2.62-25%=(6.38+2.62)-(3/4+25%)=8
27.38-5.34+2.62-4.66=(27.38+2.62)-(5.34+4.66)=30-10=200.070.120.36+0.45-----1.00
27.38+2.62-(54.34+4.66)
29.4-7.38+2.62直接算就是最简便的算法了=22.02+2.62=24.64怀疑题目敲错,如果是29.4-7.38-2.62=29.4-(7.38+2.62)=29.4-10=19.4
你在A1中输入2.29,再在A2中输入76.25.然后点到A3,在上面输入框里输入=A1/A2再enter就ok了
再答:有步骤呢再答:求采纳亲再问:第二题和第四题好像错了再答:第二题没错再答:第四题也没错呢
5.34X10000=53400
[8.62-(3.78+2.62)]\0.6=(8.62-3.78-2.62)\0.6=(8.62-2.62-3.78)\0.6=(6-3.78)\0.6=2.22\0.6=3.7
先将加的放一起,减去的放一起,就得27.35+2.62-(5.34+4.66)就成为29.97-10=19.97如果还不会,再问:那15.7-4.3+3.54+4.3怎么简便计算再答:很简单,因为有两
27.3-5.34+2.7-4.66=(27.3+2.7)-(5.34+4.66)=30-10=20
(1)5.34+x=30.6 5.34+x-5.34=30.6-5.34  
(1)5.34+X=26.7 5.34+X-5.34=26.7-5.34  
27.38-5.34+2.62-4.66=(27.38+2.62)-(5.34+4.66)=30-10=2015.7-4.3+3.54+4.3=15.7+3.54+(4.3-4.3)=15.7+3.5
观察三个数,它们有相同的468,所以可以配成相同的数,再提出来.4.68*35.1+46.8*5.34+0.468*115=4.68*35.1+4.68*53.4+4.68*11.5=4.68*(35
x-y=5.34,x+0.8-(y-0.06)=x-y+0.8+0.06=5.34+0.86=6.2
R是右眼s是球镜度,负的是近视,正的是远视c是柱镜度,负的是近视散光,正的是远视散光pd指的是瞳距.那么读作右眼近视262,近视散光12散光轴向23.