26+35= 36÷9= 1﹣0.43= 2.5×4= 402﹣299≈
1× = ÷ = + = × = 418+71≈
24×50=
14.3﹣4.03=
4.2×(-)=
:( )=
0.35÷0.7=
0.5×=
9÷3%+30%=
1﹣1÷1+1=
x-x=10.8 +x=20×0.5 x:=2:1.75
-= 4.65+4.4= 4190÷69≈ 0.1÷1%=
2.6×0.6= 1725﹣189= ×= ×÷=
98+136=
9﹣6.2=
2.5×8=
4÷0.5=
×10%=
×5=
÷ =
- =
4.8÷12=
206×4=
10﹣0.09=
﹣ ÷ =
× =