2.5-1.98简算

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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

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