摘要:400+250 250+400. ( ) A.> B.< C.=
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| 在横线上填上“>”、“<”或“=”. 350÷70________7 | 400÷80________50 | 12×50________210×3 |
| 80+20________280÷40 | 480÷80________6 | 230×5________1000 |
| 360÷60________540÷9 | 250÷50________18÷2 | 240÷30________8 |
| 635÷9________7 | 180×2________18×20 | 180÷9________80÷20 |
| 540÷9________6 | 83×3________239 | 420÷7________20×3 |
| 210÷70________240÷70. |