1-2+3-4.+99-100+101 9.99*9.99+1.99= = = =请列示
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![1-2+3-4.+99-100+101 9.99*9.99+1.99= = = =请列示](/uploads/image/z/591039-63-9.jpg?t=1-2%2B3-4.%2B99-100%2B101+9.99%2A9.99%2B1.99%3D+%3D+%3D+%3D%E8%AF%B7%E5%88%97%E7%A4%BA)
1-2+3-4.+99-100+101 9.99*9.99+1.99= = = =请列示
1-2+3-4.+99-100+101 9.99*9.99+1.99
= =
= =
请列示
1-2+3-4.+99-100+101 9.99*9.99+1.99= = = =请列示
1.每两项为一组.
可得:101+50=151
2.(1-0.01)^2+2-0.01=1+0.0001-0.02+2-0.01=2.9701