问题 解答题
直接写得数.
5.1-2=0.3×0.6=3.9×0.01=9.73÷10=
12.5×0.8=98.4÷100=0.35+0.45=0.57+0.9=
答案

5.1-2=3.10.3×0.6=0.183.9×0.01=0.0399.73÷10=0.973
12.5×0.8=1098.4÷100=0.9840.35+0.45=0.80.57+0.9=1.47
故答案为:3.1,0.18,0.039,0.973,10,0.984,0.8,1.47.

单项选择题 共用题干题
单项选择题