23.27-4.9+0.73-16.1(简便运算)

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23.27-4.9+0.73-16.1(简便运算)
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23.27-4.9+0.73-16.1(简便运算)
23.27-4.9+0.73-16.1(简便运算)

23.27-4.9+0.73-16.1(简便运算)
23.27-4.9+0.73-16.1
=(23.27+0.73)-(4.9+16.1)
=24-21
=3

23.27-4.9+0.73-16.1
=(23.27+0.73)-(16.1+4.9)
=24-21
=3

23.27-4.9+0.73-16.1
=23.27+0.73-(4.9+16.1)
=24-21
=3

23.27-4.9+0.73-16.1=23.27+0.73-(4.9+16.1)=24-21=3