运算 (19 12:57:52)1+(1/4)·(9/4)-0.5-0.1

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运算(1912:57:52)1+(1/4)·(9/4)-0.5-0.1运算(1912:57:52)1+(1/4)·(9/4)-0.5-0.1运算(1912:57:52)1+(1/4)·(9/4)-0.

运算 (19 12:57:52)1+(1/4)·(9/4)-0.5-0.1
运算 (19 12:57:52)
1+(1/4)·(9/4)-0.5-0.1

运算 (19 12:57:52)1+(1/4)·(9/4)-0.5-0.1
1+(1/4)·(9/4)-0.5-0.1
=1+9/16-0.6
=7/16-0.6
=70/160-96/160
=-26/160
=-13/80

1+(1/4)·(9/4)-0.5-0.1
=1+9/16-0.5-0.1
=1+0.5625-0.5-0.1
=0.9625

1+(1/4)·(9/4)-0.5-0.1
=1+1*9/4*4-0.5-0.1
=1+0.5625-0.5-0.1
=0.9625