直接写出得数．
46+34= 51﹣26= 45+17= 68﹣19= 100﹣84=
61﹣40= 54﹣49= 24+68= 73﹣28= 135﹣25=
36÷9= 38+62= 399﹣99= 600+400= 360﹣80=
直接写出得数．
46+34= 51﹣26= 45+17= 68﹣19= 100﹣84=
61﹣40= 54﹣49= 24+68= 73﹣28= 135﹣25=
36÷9= 38+62= 399﹣99= 600+400= 360﹣80=
=
=
= 1
= 0×
=
=
=
= 20
=
=
÷
=
÷3=
×
×
=
÷2=
=
×9×
=
﹣
=
=
×30=
÷
= 16×
÷
÷4=
÷
×1=
÷
×
=
÷3=
÷6=
÷3=
÷
．
=
=
=
=
=
=
=
=
=
=
×3= 6÷
=
÷1=
÷
÷
= 0.5÷
=
﹣
=
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