16+3=
16+30=
32-4=
13-7=
15-6=
28+2=
71-7=
9+60=
50-20=
23+30=
67-5=
30+40=
87+7=
58-50=
30-7=
96-60=
9+4-3=
22-2-6=
52-30+8=
4+4+4=
63-(35+5)=
80-(50-30)=
70+(12-7)=
60-30-8=
28+5= 96-16= 38+20= 41-17=
46+54= 70-22= 35+14= 40+30=
81-15= 69-50= 84-11= 96-8=
15-98 7+917 9+918
9+413 16-95 8+916
0.68+19.6= = 0.56÷0.4= 0.125×8=
12= 0.22×200= 100﹣0.86= =