4+5=________ 5+7=________ 10+90=________
35+2=________ 4+9=________ 20+80=________
7+3 =________ 5+6=________ 30+70=________
4+60=________ 7+7=________ 100-20=________
20+50________71 35+60________95 7+60________60
40+32________70 3+60________90 45+3________75