相关试题
+
= 18×
=
﹣
= 12÷
=
×
=
÷10= 1﹣
=
×
=
+
=
÷
=
=
= 24×
=
=
=
=
= 80×1.4= 100×
= 240÷0.5= 0.6×0.6= 300×40%=
= 6
=
×
×7= 120×5%=口算．
21%+5%
÷4 8π
+
125×8
×
+
﹣
÷
8÷64
×
7π
+
×
13÷26
﹣
67%﹣24% 99×5
×
×
÷
100÷25
×
×
×
÷
667+34
÷
÷
1263﹣163
÷
×
÷
÷
98%﹣55%
÷
×
15.7÷3.14
﹣
×
÷
÷
+
÷
×
÷
×
6.28÷π 0×
21÷5
×
÷
39×
3π 66×10
0÷875 1﹣
﹣
（﹣
）×12
×
+
×
3﹣
﹣
﹣
=
÷
= 6÷1%=
÷
= 24×0.5= 1÷
=
+
×17=
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