15克=千克 3.56米=米分米厘米
0.16= 0.053= =
7+0.27 9.9×1.59.9
1.2×0.370.12×3.7 0.1×0.197.9×0
9.3+1.07= 72÷100= 10-3.2= 6×1.7=
5.68-0.6= 0.4×25= 6.5+5= 0÷3.6=