题文
390×0.02= 
﹣
= 5﹣1.4﹣1.6= 0.9﹣0.26=
81÷
= 4×（0.6+1.9）= 0.23×400= 
×
=
﹣
+
= 0.9+99×0.9=
390×0.02= ﹣= 5﹣1.4﹣1.6= 0.9﹣0.26=
81÷= 4×（0.6+1.9）= 0.23×400= ×=﹣+= 0.9+99×0.9=
试题篮
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