一根铁丝可以围成边长是8分米的正方形，如果将它改围成一个长方形，长是9分米，宽是多少分米？
直接写得数． 20×=÷=×=÷6=×12=×=
直接写得数．×=﹣=×=×=÷=÷=÷=÷=
直接写得数÷=×=﹣=×1.4= 12×= 24×=+= 0÷=
直接写得数== 3÷========
直接写得数．×16= 12÷= 0.3×=×÷=÷= 0×+=×÷×=
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÷
=
×
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÷6=
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×
﹣
=
×
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×
=
÷
=
÷
=
÷
=
÷
=
÷
=
×
=
﹣
=
×1.4=
= 24×
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+
= 0÷
=
=
= 3÷
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=
=
=
=
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=
×16= 12÷
= 0.3×
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×
÷
÷
= 0×
+
=
×
÷
×
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