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=+= ﹣= += ﹣=
÷12
÷
．
= 3
=
÷6=
=
=
=
=
=
=
=
=
=
=
=
．
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