把下图中两个图形中的某一个分成三块，最后都拼在一起，使它们成为一个正方形．
直接写出得数．14×= ×5= ×= 12×= 3×=7×= 4.8+0.82= 3﹣2.7= （+2）×9= （﹣）×2=
口算题．×= ×= ×9= ××0=+= ×11= 5﹣﹣= ×9×7=
口算×15= ×2= ×= ×= ×=1×= ×= ×34= ×= ×=×= ×= ×= ×= ×=×24= ×= ×30= 28×= ×=
直接写出得数×15= ×2= ×= ×=1×= ×= ×34= ×=×= ×= ×= ×=
计算．1×4.8 2×3.5 2.3×1 2×0.63．
= 
×5= 
×
= 12×
= 3×
=
= 4.8+0.82= 3
﹣2.7= （
+2）×9= （
﹣
）×2=
×
= 
×
= 
×9= 
×
×0=
+
= 
×11= 5﹣
﹣
= 
×9×7=
×15= 
×2= 
×
= 
×
= 
×
=
= 
×
= 
×34= 
×
= 
×
=
×
= 
×
= 
×
= 
×
= 
×
=
×24= 
×
= 
×30= 28×
= 
×
=
×15= 
×2= 
×
= 
×
=
= 
×
= 
×34= 
×
=
×
= 
×
= 
×
= 
×
=
×4.8 2
×3.5 2.3×1
2
×0.63．
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