300×5= 2400÷3= 15×3= 804÷4= 9×500=
40×8= 20×7= 20÷5= 90÷3= 64÷2=
149+111= 700÷7= 40+30= 90×9= 23×3=
400÷4= 50×4= 102×4= 500÷5= 800÷4=
300×5= 2400÷3= 15×3= 804÷4= 9×500=
40×8= 20×7= 20÷5= 90÷3= 64÷2=
149+111= 700÷7= 40+30= 90×9= 23×3=
400÷4= 50×4= 102×4= 500÷5= 800÷4=
=
=
﹣
=
×
=
=
+
=
÷
= 14×
= 1÷60%=
÷
=8 ．
÷2= 6×
=
=
=
=
=
=
=
等于26，这个数是多少？
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