(-0.25+7/4)÷【0.5-(0.75)*(4/3-4)】
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(-0.25+7/4)÷【0.5-(0.75)*(4/3-4)】(-0.25+7/4)÷【0.5-(0.75)*(4/3-4)】(-0.25+7/4)÷【0.5-(0.75)*(4/3-4)】原式=6
(-0.25+7/4)÷【0.5-(0.75)*(4/3-4)】
(-0.25+7/4)÷【0.5-(0.75)*(4/3-4)】
(-0.25+7/4)÷【0.5-(0.75)*(4/3-4)】
原式=6/4÷(1/2-3/4*-8/3)
=6/4÷(5/2)
=6/4*2/5
=6/10
=0.6
简算 (0.125-0.25÷4×0.25)÷0.5
(-0.25+7/4)÷【0.5-(0.75)*(4/3-4)】
【1-(0.5-0.25)】*0.
[4/7X(3/5-0.25)+3/10]÷0.5
(—0.25+4分之7)÷[0.5-(-0.75)×(3分之5-3) ]要过程!急急急急急!
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