-2.25+0.25-0.5
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-2.25+0.25-0.5
(0.5x+1)+(0.25x+0.5)+(0.125x+2.25)=x怎么解,
解方程(2.25+3x)³/[(0.5-2x)²(0.25-x)]=(0.75)³/[(0.5)²(0.25)]
简便方法:请用奥数解下面各题:1÷32÷0.05÷0.25÷0.5 0.25×5.6+2.25×3.61.25×5.6+2.25×3.6
简便计算.一.0.9+(0.9-0.9)*0.9-0.9; 二.2.37-1.75+1.63-2.25; 三.0.125*0.25*0.5*64.
0.5X-4*0.25=2.25 3分之5:X=4分之1:4分之9 要过程 解方程
化简下列各比 0.2:0.5 0.15:0.25 0.15:0.6 1.25:0.50.36:0.6 2.25:1.5 0.128:1.28 2.56:0.256 1:0.3 0.6:1
0.5+0.25+0.125+.+0.0078125
用简便方法计算 (1)1÷32÷0.05÷0.25÷0.5 (2)1/25×5.6+2.25×3.用简便方法计算(1)1÷32÷0.05÷0.25÷0.5(2)1/25×5.6+2.25×3.6
1+(1*0.5)=1.5 1.5+(1.5*0.5)=2.25 2.25+(2.25*0.5)=3.375.以此类推.求公式!
x÷0.5-2.25=0.75
0.75x+0.5x=2.25
0.25*0.5/0.25*8.2的简便运算
0.25,0.25,0.5,2,16,()过程
比较0.4^0.25 0.25^0.25 log0.25 0.5大小
(2.25*2.7*5.1)/(8.1*0.25*1.7) 简便计算
解方程:37.5%X-0.25X=2.25
简便运算.能简算的要简算 0.25×[0.6÷(2.4-2.25)]