1--20题:
73.8-1.64-13.8-5.3666.86-8.66-1.341.25+16.2-0.25
3.72+3.5+6.2836.8
32+4.9-0.94.02
13.75-(3.75+6.48)3.68
7.85+2.34-0.85+4.6635.6
3.82+2.9+0.18+9.19.6
5.27+2.86-0.66+1.6313.35
47.8-7.45+8.80.398+0.36+3.64
-3.9-6.125.48-(9.4-0.52)+5.4+0.985.17-1.8-3.2+7.56-2.68-1.8-15.6-7.2+4.8-3.67.14-0.53-2.47-4.68+2.65
21--40题:
15.75+3.59-0.59+14.256048+975-3045
42.5-(6.07+1.13)3.9-4.1+6.1-5.9
6048+975-30456048
6098+935-10451048
9948+275-3045690
68+975-34568
648+75-35685
68+975-3456748+75-3005+975-345某6÷35+975÷345+975-345+975-5045
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