﹣
÷4； 
×
÷（
﹣
）．相关试题
直接写得数．
1÷
= 
×
= 
+
= 2﹣
=
4.2×0.5= 0.25×0.6= 246+198= 
﹣
=
= 
= 
= 84.6+4=
= 10÷0.5= 
= 603×39≈
4980÷51≈ 9.3÷0.03= 
÷2÷= 9﹣
﹣
．
吨的大小．
=
直接写出得数．
2005+620= 1﹣0.09= 0.45×101= 2÷0.02=
×
= 
÷
= 5﹣
= 1﹣
+
=
0×0.54= 0.25×8.5×4= 4.8×11﹣4.8= 2.68+9﹣2.68+9=
= 0.13
+0.87= 4.8
．
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