一个火柴盒长5.6厘米，宽3.5厘米，高1.2厘米．如果把内盒的长、宽、高看作与外套的长、宽、高相同来计算，内盒和外套所用硬纸的面积各是多少平方厘米？（粘接处不计）
口算×=÷8= 0.375×= 4.2+= 24÷= 3×3×3= 63×10%= 1.5×0.4= 3.14×6= 0.18÷3=
直接写出得数．========
直接写得数： 3﹣=÷=×=÷6= 9.1÷7=÷=+=÷= 4×=×=
直接写出得数． 3×=×=+= 16×=÷= 1﹣= 9÷= 0÷110=
直接写得数．×16= 12÷= 0.3×=÷= 1÷=×÷=×÷×= 0×+=﹣=+=×=÷=
×
=
÷8= 0.375×
= 4.2+
= 24÷
=
=
=
=
=
=
=
=
=
=
÷
=
×
=
÷6= 9.1÷7=
÷
+
=
÷
= 4×
=
×
=
=
×
=
+
= 16×
=
÷
= 1﹣
= 9÷
= 0÷110
=
×16= 12÷
= 0.3×
=
=
=
×
÷
×
÷
×
+
=
﹣
=
+
=
×
=
÷
=
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