求值√0.81-√0.04√12又1/4√9/4-√49√1又9/16-√144+√81√25X√(-1/5)²-√(-6)³X1/√36
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求值√0.81-√0.04√12又1/4√9/4-√49√1又9/16-√144+√81√25X√(-1/5)²-√(-6)³X1/√36
求值
√0.81-√0.04
√12又1/4
√9/4-√49
√1又9/16-√144+√81
√25X√(-1/5)²-√(-6)³X1/√36
求值√0.81-√0.04√12又1/4√9/4-√49√1又9/16-√144+√81√25X√(-1/5)²-√(-6)³X1/√36
√0.81-√0.04
=0.9-0.2
=0.7,
√12又1/4
=√(49/4)
=7/2
√9/4-√49
=3/2-7
=-11/2
√1又9/16-√144+√81
=5/4-12+9
=-7/4
√25X√(-1/5)²-√(-6)³X1/√36
=5×1/5+1
=2.
求值√0.81-√0.04√12又1/4√9/4-√49√1又9/16-√144+√81√25X√(-1/5)²-√(-6)³X1/√36
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