0.8×5= 3.6+1.4= = =
= 0×75%= 4.8÷24= 90×30%=
4+0.7x=102
x-x=10.8 +x=20×0.5 x:=2:1.75
2.43+1.57=
2- =
× =
640÷8=
4.5× =
25÷50%=
=
1﹣0.01=
1+2.5%=
3.3﹣=
1-0.92= - = ×3.2= ÷ ×5=
3.5+4.28= × = ÷ = 99×0.9+0.9=
205+97= 3.01﹣0.1= 0.25×3×4= 36×25%=
3×a×a= ×1.6= 4÷25%= 16.4+3.06=
1﹣ ÷ = ( ﹣ )÷ =