在〇里填上“>”“<”或“=”。
$3\times4$〇$12$
$24\div6$〇$3$
$2\times4$〇$8$
$22\div2$〇$12$
$20\div2$〇$10$
$6\times7$〇$43$
$3\times6$〇$12$
$12\div4$〇$3$
$8\div4$〇$2$
$40\div5$〇$8$
$5\div5$〇$1$
$18\div9$〇$2$
$3\times4$〇$12$
$24\div6$〇$3$
$2\times4$〇$8$
$22\div2$〇$12$
$20\div2$〇$10$
$6\times7$〇$43$
$3\times6$〇$12$
$12\div4$〇$3$
$8\div4$〇$2$
$40\div5$〇$8$
$5\div5$〇$1$
$18\div9$〇$2$
答案:
在括号里填上合适的数。
$400\text{ cm} = (\quad)\text{ m}$
$8000\text{ m} = (\quad)\text{ km}$
$400\text{ mm} = (\quad)\text{ cm}$
$50\text{ cm} = (\quad)\text{ dm}$
$800\text{ mm} = (\quad)\text{ dm}$
$70\text{ dm} = (\quad)\text{ m}$
$90\text{ cm} = (\quad)\text{ dm}$
$1000\text{ m} = (\quad)\text{ km}$
$5\text{ km} = (\quad)\text{ m}$
$9\text{ km} = (\quad)\text{ m}$
$50\text{ mm} = (\quad)\text{ cm}$
$9000\text{ cm} = (\quad)\text{ m}$
$400\text{ cm} = (\quad)\text{ m}$
$8000\text{ m} = (\quad)\text{ km}$
$400\text{ mm} = (\quad)\text{ cm}$
$50\text{ cm} = (\quad)\text{ dm}$
$800\text{ mm} = (\quad)\text{ dm}$
$70\text{ dm} = (\quad)\text{ m}$
$90\text{ cm} = (\quad)\text{ dm}$
$1000\text{ m} = (\quad)\text{ km}$
$5\text{ km} = (\quad)\text{ m}$
$9\text{ km} = (\quad)\text{ m}$
$50\text{ mm} = (\quad)\text{ cm}$
$9000\text{ cm} = (\quad)\text{ m}$
答案:
把$7\text{ mm}$、$77\text{ dm}$、$7\text{ m}$、$70\text{ cm}$、$7\text{ km}$按从大到小的顺序排列。
$(\quad)>(\quad)>(\quad)>(\quad)>(\quad)$
$(\quad)>(\quad)>(\quad)>(\quad)>(\quad)$
答案:
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