五年级一班的女生人数占全班人数的．如果下图表示全班人数，请你在图中用阴影表示出男生人数的部分．
直接写得数．== 1÷40%=== 72×25%==
直接写出下列题目的得数． 7+66.3=÷=×÷= 14÷=÷20%=（+）×20=
口算．============
直接写得数×12= 0.45×2= 34×0.2=÷2= 10×= 9.9+2.43+0.1=×= 6.8×2.5=
直接写出得数．×= 40%+50%= 81÷= 9.9÷0.1= 3.52+6.48= 1%÷=×2÷×2=
．如果下图表示全班人数，请你在图中用阴影表示出男生人数的部分．
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= 1÷40%=
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= 72×25%=
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×
÷
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÷20%=（
+
）×20=
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×12= 0.45×2= 34×0.2=
÷2=
= 9.9+2.43+0.1=
×
= 6.8×2.5=
×
= 40%+50%= 81÷
= 9.9÷0.1=
=
×2÷
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