×8= 1-0× =
599÷6≈ 52-32= 0.75÷15=
68×51≈
24×5=
91+199=
7.8+2.2=
5.3﹣2.7=
9÷0.1=
2.5×0.4=
+0.25=
× =
= 2.4×5= = 0.32=
= = =
8.1÷0.03= +3= ×= ﹣=
×= 134﹣18= ×0÷3= 7.45+8.55=