×11﹣ =
=
68×51≈
202+302=
5.43+5.57=
1.3﹣30%=
1 ÷1=
0×5.16= 9.8+2.6= 502-399=
÷4= × = 20×5=
300﹣187=
7.2÷36=
8.63+5=
4.7×100=
2600﹣279﹣321=
+=
×=
72÷=
-=
××=
20÷=
16×0.1=
4.3×798×0=
×7.2=
6×-×5=
0.24×5=
÷=
0.54﹣=
1.2×=
÷0.15=
13.04﹣3.4=
:( )=
5﹣5÷6=
341-29= 5.7+1.24= -0.25= × =
3.2÷80%= ÷ = ×0+ = 12.5×8÷12.5×8=
3.2+6.8= ×33= 39×101= 0.36÷0.6= 705﹣398≈
-= 3.6÷= 5.4×10%= 0.12= +×3=