1400-900=
70÷8=
2300-1000=
25÷ (2+3)=
45÷9=
57+29=
700+800=
5×(48÷8)=
87-49=
23+9÷1=
44+4÷4=
4+9×7=
42÷7=
2500+800=
8×6=
15+65=
60-14=
32÷8=
72÷9=
24÷6=
1700-900=
7×5=
400+700=
8×8=
36+42=
57-28=
1÷1=
42-24=
15÷3×5=
36-9÷3=
45-(9+11)=
(46-30)÷4=
( )×( )=( )
( )÷( )=( )