2,0.5 ,0.03125

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0.5的负2次方

(0.5)^(-2)=(1/2)^(-2)=2^2=4

找规律填数:2,0.5,( ),0.03125. 1:0.25 2:0.125

2,0.125再答:化成分数是2,1/2,1/8,1/32再答:每个都是除以四

找规律填数2,1,(),0.25,0.125,(),0.03125

2,1,(0.5),0.25,0.125,(0.625),0.03125后数是前数的一半.

简算:9.5+99.5+0.5*2

99.5+0.5+0.5*2+9=110

填运算符号 或括号0.5 0.5 0.5 0.5 0.5=2

(0.5+0.5)*(0.5+0.5)÷0.5=2*是称号

0.5×0.32×1.25×0.025×2

0.01再答:望采纳再问:请说过程再答:稍等~再答:我写给你再答: 再答:好啦!再答:望采纳

2.68*0.5+7.32/2

2.68*0.5+7.32/2=2.68/2+7.32/2=(2.68+7.32)/2=10/2=5

4×0.5×0.25×2简算

 再问:4.32×0.15-0.248直接算再答: 

0.08×0.5×12.5×2能简算吗?

(0.01*8)*(0.5*2)*(125*0.1)=0.01*8*125*0.1=1

(-0.5)^2001×2^2002

﹙-0.5﹚的2001次方×2的2002次方=﹙-0.5×2﹚的2001次方×2=-1×2=-2

0.5×2÷0.5×2

=1÷0.5×2=2×2=4

0.5a^2+ab+0.5b^2 因式分解

0.5a^2+ab+0.5b^2=0.5(a^2+2ab+b^2)=0.5(a+b)^2

(2/2/3-30/5/9)÷[(2/1/3-1/2/9)÷4-0.75]÷0.03125=

(8/3-275/9)÷[(7/3-10/9)÷4-3/4]÷1/32=(24/9-275/9)÷(11/9÷4-3/4)÷1/32=(-251/9)÷(-16/36)÷1/32=(251/9)*(3

2 1 () 0.25 0.125 () 0.03125找规律填空

21(0.5)0.250.125(0.0625)0.03125后面一个数是前面一个数的一半