已知一个平行四边形的面积是28平方米，这个平行四边形的底是7米，它的高是多少米？
直接写出得数．========
直接写得数： 3﹣=÷=×=÷6= 9.1÷7=÷=+=÷= 4×=×=
直接写出得数． 3×=×=+= 16×=÷= 1﹣= 9÷= 0÷110=
直接写得数．×16= 12÷= 0.3×=÷= 1÷=×÷=×÷×= 0×+=﹣=+=×=÷=
5×= 11×1=÷4= 9×4.5+4.5=÷= 1=×27= 5.6+8×1= 8×4= 12÷6= 3﹣1= 5﹣2+=
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=
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=
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÷
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×
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÷6= 9.1÷7=
÷
+
=
÷
= 4×
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×
=
=
×
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+
= 16×
=
÷
= 1﹣
= 9÷
= 0÷110
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×16= 12÷
= 0.3×
=
=
=
×
÷
×
÷
×
+
=
﹣
=
+
=
×
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÷
=
= 11×1
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÷4= 9×4.5+4.5=
÷
= 1
=
×27= 5.6+8×1
= 8×4
= 12
÷6= 3
﹣1
= 5﹣2
+
=
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