45+62= 34-18= 69+31=
52-25= 61+28= 100-15=
96-34= 4+25= 24-20= 32-20=
38-21= 99-58= 45-30= 70+18=
42-22= 89-15= 65-60= 15+60=
52
50
48
①66-24=
②28+41=
③75+16=
④12+37=
⑤27+18=
⑥37+19=