用竖式计算，减法题要验算，乘法题得数保留两位小数． 4.6﹣1.96 0.65×0.48 32.32÷16．
能简则简+++= ﹣（+）=×÷=﹣+= ××=×÷6=
直接写得数．+= ÷= ﹣= +=+=++= +﹣= ×9=×= ÷= ×= ÷=
解方程x﹣=； 4x+=； x﹣0.3x=21．
计算（能简算的要简算）﹣+=××=÷÷=
直接写得数+= 1﹣= ﹣= ﹣=×= ×= 0×=÷6=÷8= 2﹣= ÷=÷=
+
+
+
= 
﹣（
+
）=
×
=
﹣
+
= 
×
×
=
×
+
= 
÷
= 
﹣
+
+
=
+
+
= 
+
×
= 
÷
= 
×
= 
÷
=
x﹣
=
； 4x+
=
﹣
+
=
×
×
=
÷
÷
=
+
= 1﹣
= 
﹣
= 
﹣
=
×
= 
×
=
÷6=
÷8= 2﹣
÷
÷
=
粤公网安备 44130202000953号