0.49×0.990.49 0.99×2.012.01
0.323÷0.80.323 32.6÷2.5326÷25
1.34÷0.25=÷1=
2.8÷0.85○2.8 253.1÷0.1○253.1 ×10
÷=
4.83÷0.07=÷7
1.96÷0.8=÷8
2.76÷0.23=
0.276÷0.023=
27.6÷0.23=
27.6÷230=
16.3÷9.63=÷ 54.38÷6.4=÷
你的理由是:
A.35.7+219.1
B.400-199.9
C.29.5×9
D.34.8÷0.1