第73页

信息发布者：
右
两
3250
25
130
商不变的规律
290
38
1.67
0.053
30
3
0.3
25
12
120
2.5
2500
<
>
<
>
>
=
=
<
0.4
4.28
26.75
=0.85×200-0.85
=170-0.85
=169.15
=3.78×(99+1)
=3.78×100
=378
=72÷8÷0.6
=9÷0.6
=15
=7.2÷9+8.1÷9
=0.8+0.9
=1.7
=(0.08×1.25)×(2.5×0.4)
=0.1×1
=0.1
=80.8+9.5
=90.3
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