A.8-3-3=2 | B.2+3+3=8 | C.3+2+3=8 | D.8-2-3=3 |
A.50+80-(15÷5) | B.45+(75-9)÷2 | C.94-45÷(3×3) |
A.468-83 | B.83-468 | C.468+83 |
A.大 | B.小 | C.一样大 |
A.500﹣(125+179) | B.500﹣125﹣179 | C.125+179 |
A.19 | B.16 | C.15 | D.25 |
A.12 | B.8 | C.9 | D.11 |
A.8 | B.18 | C.0 | D.4 |
A.60 | B.37 | C.22 | D.55 |
A.37 | B.27 | C.97 | D.73 |