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答案:
一、
14.7,5.5,16,16.13
2.21,9.24,3.09,5.007
0.97,10,0.92,46.9
3.62,1,1,0.4
二、
2.8,0.1,35,4,1.6,18.25,1.75,19.2,6.8,3.2,
>,=,<,<
三、
B,B,C,C,B
四、
√,×,×,√,×
五、
18.51,4.68,44.54,
27.3+72.7+73.2=100+73.2=10073.2
43.25-3.25-10.4=40-10.4=29.6
(3.8+6.2)+(1.37+12.63)=10+14=24
76.8-27.4-12.6=76.8-(27.4+12.6)= 76.8-40=36.8
5.85+1.89-2.85=5.85-2.85+1.89=3-1.89=1.11
3.9+0.1-3.9+0.1=3.9-3.9+0.1+0.1=0.2
5.8+4.15=9.95 6.05-0.65=5.4
0.6 , 0.28, 1.65
六、
3.26+0.4-0.25=3.41米
(62.5+77.2)×10=1397米
23.5-0.83+23.5=46.17元
1.75+0.6=2.35<2.4,不能
100-24.8-24.8=50.4米
20.48-2.36=18.12元
20.48+2.36+11.9=34.74<35,可以
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