3.26+2.4= = = 3.6÷0.6=1﹣0.52= 2.5×3.5×0.4= = =
根据36×2.4=86.4填空．3.6×2.4= 8.64÷2.4= 0.36× =0.864 ×0.024=86.4．
直接写出结果．×2= += ×15= ×= +﹣+=﹣= 8÷= ×= （12+）×= ×÷×=
什么数乘58得4292？
求横线里的数： ×83=5146 ﹣1328=0239+ =511 ÷26=62．
求□中的数□÷128=63 786﹣□=264□×38=722．
= 
= 3.6÷0.6=
= 
=
×2= 
= 
×15= 
×
= 
+
﹣
﹣
= 8÷
= 
×
= （12+
）×
= 
÷
×
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