803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =
5.34+0.66=
101×30=
0.4+6.0=
+=
5÷0.05=
×=
-=
13÷=
54×=
0.8×=
5.6÷=
11﹣+=
5×0.5÷5×0.5=
7.78+2.2=
73.17÷9.12≈
0.3752=
6.3:( )=0.9
56+44= 0.9×0.6= 20﹣3.7= 8÷100= 2.5×3.5×4=
-= += 10÷= 15×= ×24+24=
×30= 0.5+ = =
= =
205+97= 3.01﹣0.1= 0.25×3×4= 36×25%=
3×a×a= ×1.6= 4÷25%= 16.4+3.06=
1﹣ ÷ = ( ﹣ )÷ =