题目内容

口算我最棒.
0.1-0.01=2.24+1.76=100.1+10.01=7.2+1.08=
10-9.8-0.2=4.5+6.4+5.5+4.6=0.75+0.125=11-7.98=
16.57+32.64.7-0.28=4.5-1.84=6.51-2.49=
0.1-0.01=0.092.24+1.76=4100.1+10.01=110.117.2+1.08=8.28
10-9.8-0.2=04.5+6.4+5.5+4.6=210.75+0.125=0.87511-7.98=3.02
16.57+32.6=49.174.7-0.28=4.424.5-1.84=2.666.51-2.49=4.02
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