囗算:
26+74= | 540-70= | 60+740= | 3×3×3= | 12+16÷4= |
39+39= | 250+200= | (8+2)×3= | 17+15+3= | 20÷2+30= |
41-3= | 700+400= | 3×4×2= | 9+27-8= | 31+40-45= |
29+64= | 870-300= | 55÷8= | 99-66-30= | 7+7+14= |
55÷5= | 63-36+2= | 99÷33= | 6×8+68= | 500×2×2+2= |
26+74= | 540-70= | 60+740= | 3×3×3= | 12+16÷4= |
39+39= | 250+200= | (8+2)×3= | 17+15+3= | 20÷2+30= |
41-3= | 700+400= | 3×4×2= | 9+27-8= | 31+40-45= |
29+64= | 870-300= | 55÷8= | 99-66-30= | 7+7+14= |
55÷5= | 63-36+2= | 99÷33= | 6×8+68= | 500×2×2+2= |