2.5-1.98简算
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![2.5-1.98简算](/uploads/image/z/609048-0-8.jpg?t=2.5-1.98%E7%AE%80%E7%AE%97)
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2.5-1.98简算
2.5-1.98简算
2.5-1.98简算
2.5-1.98
=2.5-(2-0.02)
=2.5-2+0.02
=0.5+0.02
=0.52
你好;
2.5-1.98
=2.5-2+0.02
=0.5+0.02
=0.52
2.5-1.98
=2.5-(2-0.02)
=2.5-2+0.02
=0.5+0.02
=0.52
2.5-1.98
=2.5-2+0.02
=0.5+0.02
=0.52