
(0.025×0.25×2.5)×4的简便方法是什么?要递等式
3个回答
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(0.025×0.25×2.5)×4
=1/40×1/4×2.5×4
=1/160×10
=1/16
(0.025+0.25+2.5)×4
=0.025×4+0.25×4+2.5×4
=0.1+1+10
=11.1
=1/40×1/4×2.5×4
=1/160×10
=1/16
(0.025+0.25+2.5)×4
=0.025×4+0.25×4+2.5×4
=0.1+1+10
=11.1
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(0.025×0.25×2.5)×4
=4*2.5*0.25*0.025
=10*0.25*0.025
=2.5*0.025
=0.0625
=4*2.5*0.25*0.025
=10*0.25*0.025
=2.5*0.025
=0.0625
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(0.025×0.25×2.5)×4
=(0.52÷10)×0.52×(0.52×10)×22
=0.52×0.52
=1/16
=(0.52÷10)×0.52×(0.52×10)×22
=0.52×0.52
=1/16
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