(-54)×(-0.02)×(-0.210) 怎么算?
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(-54)×(-0.02)×(-0.210) 怎么算?
(-54)×(-0.02)×(-0.210) 怎么算?
(-54)×(-0.02)×(-0.210) 怎么算?
-0.2268
(-54)×(-0.02)×(-0.210) 怎么算?
(1+0.21+0.32)*(0.21+0.32+0.43)-(1+0.21+0.32+0.43)*(0.21+0.32)
巧算(1/110*2.1*0.54*55)/54*0.21*4又1/2
(1+0.228-0.21)x(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)x(0.228-0.21)
(1+0.228-0.21)×(0.228-0.21+223)-(1+0.228-0.21+0.2003)×﹙0.228-0.21)(能巧算的就巧算)
一个数加上它的一个计数单位后,和是0.21,是个数是()A.0.20 B.0.2 C.0.02,还希望知道为什么.
(1+0.228-0.21)×(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)×(0.228-0.21)为什么这么做啊(1+0.228-0.21)×(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)×(0.228-0.21)=(1+0.228-0.21)×(0.228-0.21)-(1+0.228-
(1+0.228-0.21)×(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)×(0.228-0.21)简便运算,要写出具体过程
化简下列各数,-9(-23).-(+0.21)
0.21乘(x减0·26)=0.273
(1+0.228-0.21)×(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)×(0.228-0.21)简便解法这是预初一的题,但是不要告诉我去用计算机去做,
0.21*0.100是等于0.021还是等于0.02啊
0.3:0.02 0.21:6.3 48:360.3:0.02 0.21:6.348:36 0.5:2/51:0.125 3:6/11
-0.21*-(4.58)-6.8*(-0.458)+(-0.011)*(-45.8)=?简便计算
0.01分之0.02(2X-3)-2.5=0.02分之0.01(0.02-2X)-3.5
含金属元素碳0.61硫0.004磷0.02锰0.59硅0.21铬0.02镍0.01铜0.02的是什么
简便计算:(+0.02)+(-3.4)+(-0.6)+(+1.98)
arctan(0.02*pai)是多少度