1.2×0.3= ﹣= 32÷53×0=
0.25÷= 1﹣0.09= +20%=
+= ﹣= 24×= 5﹣=
30÷= += +0.25= ÷=
0.8×5= 3.6+1.4= = =
= 0×75%= 4.8÷24= 90×30%=
2.6+1.34= 4÷0.5= 12×70= 510﹣270= 30%×60=
-= 56÷= ×25%= 28+69= 1598÷4≈