8.37670.8376 3.45×0.983.45
B÷0.93B×0.97(B>0) 3.9÷0.23.9×5
13.2×0.04= 132×40= 0.132×40=
0.8×4= 0.25×0.4= 5.3-1.7= 9.8÷ 100= 0.72÷0.8=
6×0.5= 3.6÷0.09= 10×3.75= 0.32= 2y+7y=