竖式计算．387÷43 602×25 761×22 988÷60．
直接写得数．===== 75%÷25%===
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直接写出得数．+0.2=+﹣0.2= 5÷=×1.5+3= 3.6×=×1.5=﹣= 1﹣137.5%=
直接写得数﹣=÷9= 1﹣=×=÷=÷=+=×=+=÷=﹣=×=
直接写出得数．+=﹣=×2=×=×=÷4=÷= 12×=÷42=×=×14=÷4=
=
=
=
=
= 75%÷25%=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
+0.2=
+
﹣0.2= 5÷
=
×1.5+3=
=
×1.5=
﹣
= 1﹣137.5%=
﹣
=
÷9= 1﹣
=
×
=
÷
=
÷
=
+
=
=
+
=
÷
=
﹣
=
×
=
+
=
﹣
=
×2=
×
=
×
=
÷4=
÷
= 12×
=
÷42=
×
=
×14=
÷4=
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