A.18元1份的买9份 |
B.每桌45元的买3份 |
C.18元1份的买3份,每桌45元的买2份 |
A.(35-8)×4 | B.5×(18÷3) | C.40-(18+12) |
A.28+21÷7=7 | B.28+(21÷7)=7 | C.(28+21)÷7=7 |
A.60-30÷6 | B.96÷8-6 | C.60÷(15-13) |
A.32+24÷8 | B.(32+24)÷8 | C.(32-24)÷8 |
A.7+6+38 | B.7×6+38 | C.7×6﹣38. |
A.67 | B.27 | C.12 |
A.40 | B.80 | C.10 |
A.1370﹣80×4 | B.80×4﹣1370 | C.1370﹣80÷4 |
A.7+0 | B.7﹣0 | C.7×0 |