骑车训练．
直接写得数： 1﹣=×=÷2÷= 2×80%=+= 15÷= 35×=×÷×=
直接写出得数．﹣=×= 12×= 1÷=== 1.6×4×0.25= 0÷=
直接写得数．+=÷6=×= 2﹣+=×16= 6﹣=÷=5×÷5×=
直接写得数．===== 75%÷25%===
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=
×
=
÷2÷
+
= 15÷
= 35×
=
×
÷
=
﹣
=
×
= 12×
= 1÷
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=
= 1.6×4×0.25= 0÷
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+
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÷6=
×
= 2﹣
+
=
×16= 6﹣
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÷
=5×
÷5×
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=
=
=
= 75%÷25%=
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