16.53+12.6-3.47 30-(5-0.07)-(0.8+2.24) 18.59-4.
16.53+12.6-3.4730-(5-0.07)-(0.8+2.24)18.59-4.27+0.5925.76-6.18-5.76(能简便要简便)...
16.53+12.6-3.47
30-(5-0.07)-(0.8+2.24)
18.59-4.27+0.59
25.76-6.18-5.76
(能简便要简便) 展开
30-(5-0.07)-(0.8+2.24)
18.59-4.27+0.59
25.76-6.18-5.76
(能简便要简便) 展开
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