写出各杯子中糖与水的质量比．（单位：克）（1）（2）（3）（4）（5）这几杯糖水有一样甜的吗？
直接写出得数．+=﹣= 3×=÷=+=÷= 1﹣=×=
直接写出得数．==== 2÷3====
+=﹣=×= 14÷=÷=×=÷= 6×=
直接写得数： 1﹣= 9×=÷2=÷== 1=×1.3=×=
直接写出下面各题的得数．÷=== 1.25×0.8=== 1﹣30%= 5.4÷0.3= 9﹣0.56=
+
=
﹣
=
÷
=
+
=
÷
= 1﹣
=
×
=
=
=
=
=
=
=
=
+
=
﹣
=
= 14÷
=
÷
=
×
=
÷
= 6×
=
= 9×
=
÷2=
÷
= 1
=
×1.3=
×
=
÷
=
=
=
=
=
粤公网安备 44130202000953号