相关试题
直接写得数．
26+29= 22×4= 44+17= 90÷3=
80﹣45= 1300﹣500= 120×3= 64﹣18=
88÷2= 500×6= 1400﹣700= 300×7=
+
=
﹣
=
+=
﹣
=
直接写得数．
26+29= 22×4= 44+17= 90÷3=
80﹣45= 1300﹣500= 120×3= 64﹣18=
88÷2= 500×6= 1400﹣700= 300×7=+=﹣=+=﹣=
×
=
﹣
=
=
÷
=
﹣
+
=
÷2÷
+
=
﹣
=
+
= 1﹣
=
+
=
+
=
﹣
= 1﹣
=
+
=
﹣
=
+
= 1﹣
=
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