9.75-1.53+8.53 = = = 简便方法脱式9.75-1.53+8.53= ==简便方法脱式
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9.75-1.53+8.53===简便方法脱式9.75-1.53+8.53===简便方法脱式9.75-1.53+8.53===简便方法脱式9.75-1.53+8.53===简便方法脱式9.75-1.5
9.75-1.53+8.53 = = = 简便方法脱式9.75-1.53+8.53= ==简便方法脱式
9.75-1.53+8.53 = = = 简便方法脱式
9.75-1.53+8.53
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=
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简便方法脱式
9.75-1.53+8.53 = = = 简便方法脱式9.75-1.53+8.53= ==简便方法脱式
9.75-1.53+8.53
= 9.75+(8.53-1.53)
= 9.75+7
= 16.75
9.75-1.53+8.53 = = = 简便方法脱式9.75-1.53+8.53= ==简便方法脱式
=ROUND(RAND()*(1.53-1.49)+1.49,
6x除以1.2=9.75
x（8-x）=9.75
x²-8X-9.75=0 x(x-8)=9.75
x－0.25x=9.75求x=
1.53×10的6次方km=（ ）mm?
你能很快计算出下面算式的结果是多少吗?8.51+8.52.8.53+---+8.69=
用简便方法计算：9.75+99.75+999.75+9999.75=
9.75+99.75+999.75+9999.75+1=【简便运算】
6+7+8+9.75=怎样简便计算
2.25x 平方-9.75x+81=18
3.6x除以1.2=9.75怎么解
6.3+3.7= 9-1.8= 1.4×0.5= 0.49÷0.7= 1.53+0.8=多少?求速度啊!
二次一次方程,谢谢{x+y=1.45 x+5y=1.53
X+Y=8 X*Y=9.75求X,Y的值
0.47-4又6分之5-(-1.53)-1又6分之1=?
1.53-3又3分之2-(-0.47)-1又3分之1=