84+9= 25×4= 403×8= 80×9=
620-400= 205×4= 567-0= 72÷8=
659×0= 530+270= 800-586= 210×5=
= = = =
7×8= 15+27= 42÷6= 50÷6=
905-509= 390+41= 600-232= 8×9=
53+45= 92-24= 66+25= 200+400=
520-180= 410-10= 290+80= 43+48=
6×5= 2×4= 80-6= 350+450=