15
$90\text{ cm}=(\ \ \ \ \ )\text{ dm}=(\ \ \ \ \ )\text{ m}$ $62\text{ m}^2=(\ \ \ \ \ )\text{ dm}^2$
$8.4\text{ mL}=(\ \ \ \ \ )\text{ cm}^3$ $600\text{ dm}^2=(\ \ \ \ \ )\text{ cm}^2$
$3\text{ dm}^3=(\ \ \ \ \ )\text{ L}=(\ \ \ \ \ )\text{ mL}$ $440\text{ mL}=(\ \ \ \ \ )\text{ dm}^3$
$3.8\text{ L}=(\ \ \ \ \ )\text{ mL}=(\ \ \ \ \ )\text{ cm}^3$ $75\text{ m}^3=(\ \ \ \ \ )\text{ dm}^3$
$0.4\text{ m}^3=(\ \ \ \ \ )\text{ dm}^3=(\ \ \ \ \ )\text{ mL}$ $38\text{ cm}^3=(\ \ \ \ \ )\text{ mL}$
$3.08\text{ dm}^3=(\ \ \ \ \ )\text{ L}=(\ \ \ \ \ )\text{ mL}$ $4.04\text{ m}^3=(\ \ \ \ \ )\text{ L}$
$75000\text{ cm}^3=(\ \ \ \ \ )\text{ dm}^3=(\ \ \ \ \ )\text{ m}^3$ $5.6\text{ m}^2=(\ \ \ \ \ )\text{ dm}^2$
$4.4\text{ m}^3=(\ \ \ \ \ )\text{ dm}^3=(\ \ \ \ \ )\text{ cm}^3$ $73\text{ dm}^2=(\ \ \ \ \ )\text{ cm}^2$
$100.2\text{ cm}=(\ \ \ \ \ )\text{ dm}=(\ \ \ \ \ )\text{ m}$ $75\text{ dm}=(\ \ \ \ \ )\text{ cm}$
$90\text{ cm}=(\ \ \ \ \ )\text{ dm}=(\ \ \ \ \ )\text{ m}$ $62\text{ m}^2=(\ \ \ \ \ )\text{ dm}^2$
$8.4\text{ mL}=(\ \ \ \ \ )\text{ cm}^3$ $600\text{ dm}^2=(\ \ \ \ \ )\text{ cm}^2$
$3\text{ dm}^3=(\ \ \ \ \ )\text{ L}=(\ \ \ \ \ )\text{ mL}$ $440\text{ mL}=(\ \ \ \ \ )\text{ dm}^3$
$3.8\text{ L}=(\ \ \ \ \ )\text{ mL}=(\ \ \ \ \ )\text{ cm}^3$ $75\text{ m}^3=(\ \ \ \ \ )\text{ dm}^3$
$0.4\text{ m}^3=(\ \ \ \ \ )\text{ dm}^3=(\ \ \ \ \ )\text{ mL}$ $38\text{ cm}^3=(\ \ \ \ \ )\text{ mL}$
$3.08\text{ dm}^3=(\ \ \ \ \ )\text{ L}=(\ \ \ \ \ )\text{ mL}$ $4.04\text{ m}^3=(\ \ \ \ \ )\text{ L}$
$75000\text{ cm}^3=(\ \ \ \ \ )\text{ dm}^3=(\ \ \ \ \ )\text{ m}^3$ $5.6\text{ m}^2=(\ \ \ \ \ )\text{ dm}^2$
$4.4\text{ m}^3=(\ \ \ \ \ )\text{ dm}^3=(\ \ \ \ \ )\text{ cm}^3$ $73\text{ dm}^2=(\ \ \ \ \ )\text{ cm}^2$
$100.2\text{ cm}=(\ \ \ \ \ )\text{ dm}=(\ \ \ \ \ )\text{ m}$ $75\text{ dm}=(\ \ \ \ \ )\text{ cm}$
答案:
有两个下图这样的小长方体,拼成一个大长方体,表面积比2个小长方体表面积和减少了多少?算一算,填写在括号里

答案:
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