九分之五乘以中括号里零点七五减去小括号里十六分之七减去四分之一?
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九分之五乘以中括号里零点七五减去小括号里十六分之七减去四分之一?
5/9x[0.75-(7/16-1/4)]
=5/9x[3/4-7/16+1/4]
=5/9x(1-7/16)
=5/9x9/16
=5/16
5/9x[0.75-(7/16-1/4)]
=5/9x[3/4-7/16+1/4]
=5/9x(1-7/16)
=5/9x9/16
=5/16
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5/9×[0.75-(7/16-1/4)]
=5/9×(3/4+1/4-7/16)
=5/9×(1-7/16)
=5/9×9/16
=5/16
=5/9×(3/4+1/4-7/16)
=5/9×(1-7/16)
=5/9×9/16
=5/16
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依据题意列式计算如下:
5/9×[0.75-(7/16-1/4)]
=5/9×(3/4+1/4-7/16)
=5/9×9/16
=5/16
=16分之5
5/9×[0.75-(7/16-1/4)]
=5/9×(3/4+1/4-7/16)
=5/9×9/16
=5/16
=16分之5
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