117.8/2.3-4.88/0.23=?
31.8除以2.3加386除以46减去4.88除以0.23
2.3*9.9 0.23的简便计算
11.1-3.26-2.64-4.1 7.12-3.7+4.88-2.3 8.1除0.18 10.1*8.6 6.3/(
0.23 3循环= 几分之几
x-1/4.6=0.5/0.23
谁知道(259.9除以2.3减2.99除以0.23的商)怎么简算~~急
0.23 (3循环) 化成分数, 请用方程!(x=0.23 (3循环).)
0.7x+1.37=1.5x-0.23 x=?
比较下列各组数的大小(1)1.5^-π,1.5^-3(2)0.7^-0.3,0.7^-2.3(3)0.23^-2.3,0
0.12+0.23+0.34+0.45+0.56+0.67+0.78+0.89=?
简便运算;0.12+0.23+0.34+……+0.89=
计算:53.3÷0.23÷0.91×16.1÷0.82=