直接写得数．
50×30= 480÷8= 200×4= 1.7+6.2= 400÷5=
90×20= 800÷4= 22×40= 6.7﹣2.4= 270÷9=
14×4= 560﹣300= 0÷76= 0.2+0.8= 1﹣0.6=
直接写得数．
50×30= 480÷8= 200×4= 1.7+6.2= 400÷5=
90×20= 800÷4= 22×40= 6.7﹣2.4= 270÷9=
14×4= 560﹣300= 0÷76= 0.2+0.8= 1﹣0.6=
=
=
﹣
=
×
=
=
+
=
÷
= 14×
= 1÷60%=
÷
=8 ．
÷2= 6×
=
=
=
=
=
=
=
等于26，这个数是多少？
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