相关试题
+
=
×
=
÷
=
﹣
=
÷15=
比它的50%少10，这个数是多少？
= 9÷
= 400÷25÷4= 3.75+
=
÷4= 6﹣1.2﹣2.8= 
×1.5= 
= 5.5+11.6+4.5=直接写出得数．
14÷35= 
+
= 0.77+0.33=
×4+4×
= 0.9+99×
= 4
﹣（
+
）=
5﹣1.4﹣1.6= 2﹣
﹣
= 
×2÷×2=
（
+
）×12= 
×
= 6.3×10%=
直接写出得数．
14÷35= += 0.77+0.33=×4+4×= 0.9+99×= 4﹣（+ ）=
5﹣1.4﹣1.6= 2﹣﹣= ×2÷×2=
（+）×12= ×= 6.3×10%=
×
= 
= 1.7×4×2.5= 200×13.2%=
= （
）×4= 2×115%=
= 3﹣3×
= 
= 3.25+7=
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