√【（0.81×25）÷（0.36×98）】
=√【(0.9^2×5^2)÷（0.6^2×7^2×2）】
=0.9×5÷（0.6×7×2）√2
=15/28*√2
√【（0.81×25）÷（0.36×98）】
3个回答
相关问题
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1、4.8÷32 2、（6.4×0.75×81)÷（0.32×25×2.7） 3、264×0.0298—5.36×2.9
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(0.36×5.1×81)÷(o.17×8.1×0.4),怎样计算
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0.1×208= 7.2÷36= 4.8÷16= 1.3×50= 0.5×20= 0.81÷0.09= 4.2÷4= 0
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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9.81×0.1+0.5×98.1+0.049×981．
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简算2.5×8×0.4×0.125 0.65×201 6.81+6.81×99 （1×2×3…10×11）÷（27×25
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简便运算:0.61×0.25+0.81×1/4+0.21×25%
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直接写出得数 （1）8.4÷4= 0.36×3= 18.36÷0.6= 3.2×1.25×0.25= （2）4.28+1