4.83-1.56+0.17-2.44

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4.83-1.56+0.17-2.444.83-1.56+0.17-2.444.83-1.56+0.17-2.44原式=(4.83+0.17)-(1.56+2.44)=5-4=1祝开心原式=4.83+

4.83-1.56+0.17-2.44
4.83-1.56+0.17-2.44

4.83-1.56+0.17-2.44
原式=(4.83+0.17)-(1.56+2.44)
=5-4
=1
祝开心

原式=4.83+0.17-(1.56+2.44)
=5-4
=1