6: 1.3 0.08 0.616 6.38
7: 6.71 0.08 13.93 1.46
8:﹙1﹚ 2.56-1.3=1.26
﹙2﹚ 2.24+1.3=3.54
﹙3﹚ 略
9: 321.6 1.32 32.16 13.2 0.3216 0.132
10: 1.70 0.16 0.60 0.85
11: 3.36 57 6.8 25
12:略
13: 2.8÷1.2≈2.3
14: 6.5+6.5×1.6=16.9
提交 重置