576÷4÷3 (601-246)÷5 46+54×25
1.2×0.3= ﹣= 32÷53×0=
0.25÷= 1﹣0.09= +20%=
= 10÷1%= 5.6÷2= 1×7=
= = 1﹣= 5×÷5×=