口算
| 18×4= |
280×3= |
17×4= |
150×3= |
14×7= |
25×4= |
| 90×50= |
110×8= |
70÷5= |
14+70= |
100×21= |
24×400= |
相关试题
口算
| 18×4= |
280×3= |
17×4= |
150×3= |
14×7= |
25×4= |
| 90×50= |
110×8= |
70÷5= |
14+70= |
100×21= |
24×400= |
÷
= 4﹣
= 0÷（1+
）=
= 1.75+
= 
×
×12=
= 
÷
= 2×（
+
）= 
×
÷
= 
= 
= 6.3×10%=
= 7×
= 
= 40%﹣0.25=
= 
+
÷4= 
×
÷
×
= 3÷
﹣
÷0.8%= 0.705+3.35= 1.5×（
）= 0.375×0.375=
×
= ； 
×
×
= ； 
﹣
= ； 10÷10%= ；
×8×
= ； 
×
÷
×
= ；
﹣
= ； 3.6÷
= ．
×4= 624×50%= 0.5÷
= 5﹣1.42=
+
= 0.125+
= 1﹣
﹣
= 
÷
=
﹣
）÷
= 8﹣8÷4﹣
=
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