【1-(0.5-0.25)】*0.
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【1-(0.5-0.25)】*0.
【1-(0.5-0.25)】*0.
【1-(0.5-0.25)】*0.
=(1-0.25)*0.8
=0.75*0.8
=0.6
y=√(9-x2)
x2+y2=9
且y=√(9-x2)>=0
所以是圆在x轴上方的部分
所以是半圆
且积分限-3到3,所以是整个半圆
半径是3
所以原式=9π/2
【1-(0.5-0.25)】*0.
(-2/3)+0.25-1/6-0.5
(x+2)/(0.25)+x/(0.5)=1
2.5*7.2/(0.9/4)1/32/0.05/0.25/0.5
x=0.5(0.25x*2-6+0.
(0.5+0.25+0.125)/(0.5*0.25*0.125)*7/18*9/2+1/6/131/3-15/4*16/5
数列0.25,0.5,2,( ),2,0.5是什么数列?A.1 B.4 C.0.25 D.0.125
(49-0.25)/0.25+(46-0.25)/0.25+(43-0.25)/0.25+.+(1-0.25)/0.25等于多少?
0.25的平方根是0.5,0.5的平方根是……这样算下去,最终是接近哪个数?1或0.
(0.25)负0.5次方+(27分之1)负3分之1次方-625的0.25次方
(+0.5)+(-0.25)+(-10.1)=?
(0.25)^(-0.5)+(1/27)^(-1/3)-625^0.25
1-(0.5-4/9)*3*{-2-(-27)}-|1/8-0.25|
[(0.5+5分之1-0.25)×20]÷(1+6分之5)
找规律填数:2,0.5,( ),0.03125. 1:0.25 2:0.125找规律填数:2,0.5,( ),0.03125. 1:0.25 2:0.125 3:0.35
-1-(0.5-2/3)除1/3*[-2-(-27)|1/8-0.25|=
简算 (0.125-0.25÷4×0.25)÷0.5
[151.16*0.25+38.42/2)*0.5-1.63-2.37]/0.25简算