\u6025\u9700\u5c0f\u5b66\u4e94\u5e74\u7ea7\u6570\u5b66600\u9053\u8ba1\u7b97\u9898\uff08\u9644\u7b54\u6848\uff09

\u5c0f\u5b66\u4e94\u5e74\u7ea7\u6570\u5b66\u8ba1\u7b97\u9898\u5982\u4e0b\uff1a
1\u30014.9\u00d70.7\uff1d3.43
2\u30010.87\uff0d0.49\uff1d0.38
3\u30018+2-8+2
4\u300125*4/25*4
5\u30017.26-(5.26-1.5)
6\u3001286+198
7\u3001314-202
8\u3001526+301
9\u3001223-99
10\u30016.25+3.85-2.125+3.875
11\u30019-2456*21
12\u30010.5/11.5-4*2.75
13\u30011/2\u00d73/5
14\u30013.375+5.75+2.25+6.625
15\u30011001\uff0d9036\u00f718
16\u30013.8\u00d75.25+14.5
17\u30012.1*4.3+5.7*2.1

18\u300130\u00d71/3
19\u3001102*45-328
20\u30012/3\u00d712
21\u30012.8*3.1+17.6/8
22\u30013/5\u00d75/6
23\u3001\uff0850-12.5)/2.5
24\u30012/5\u00d71/3
25\u30016110*47+639
26\u30011/2-1/6
27\u30013.5*2.7-52.2/18
28\u30011/7\u00d71/5
29\u30013.375*0.97+0.97*6.625
30\u300125\u00d74/5
31\u30016.54+2.4+3.46+0.6

(\u221a3+\u221a10)(\u221a3-\u221a10)
=3-10
=7
\u5229\u7528\u5e73\u65b9\u5dee\u516c\u5f0f\uff0c\u53ef\u4ee5\u5f88\u5feb\u5f97\u51fa\u7ed3\u679c\u3002
\u221a12+\u221a8-5\u221a5+\u221a2
=2\u221a3+2\u221a2-5\u221a5+\u221a2
=2\u221a3+3\u221a2-5\u221a5
\u5316\u4e3a\u6700\u7b80\u6839\u5f0f\u8ba1\u7b97\u5c31\u53ef\u4ee5\u4e86\u3002