参观动物园。我们四年级一共来了38名同学，买门票要花多少钱呢？
直接写出得数．×30= 2÷=÷=﹣=÷=××=+12.5%=÷=
直接写得数． 25×=÷6=×16=÷= 1÷=×=
直接写出得数÷= 20×=÷=﹣= 12÷50%= 3﹣﹣= 60×20%=÷26=+= 1﹣3%=
直接写出得数×4= 6﹣=÷= 6÷1%= 1÷=×=×0÷= 10+×=××5×7= 0.99×9+0.99=
直接得数．×21=×= 15÷=÷ 1﹣65%= 1+65%=÷=×=
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×30= 2÷
÷
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﹣
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×
×
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+12.5%=
÷
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÷6=
×16=
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×4= 6﹣
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×5×7= 0.99×9+0.99=
×21=
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