16÷2=
6×7 =
200 +450=
1600- 900=
4×7-5=
10÷5=
42÷6=
160-40=
400 +3000 =
36÷4÷3=
45÷9=
35÷7=
39-24=
700+500=
5×(12÷4)=
24÷3=
35+33=
570-300 =
8000-2000=
6×(63÷9)=