厨房里有一堵墙，瓷砖的图案如下，一共有多少种不同的贴法？
直接写出得数 1÷=+=÷=÷=×=+0.8=÷1=×=+=﹣= 24÷=÷=
计算×=÷=××÷6÷÷× 15×÷××16÷÷．
直接写得数 67÷31= 3.6×= 57×﹣=×0= 3÷=0.75+= 6.3÷= 120×=
直接写出下列各题的得数． 99×0= 2.5×0.4= 7.4﹣0.8=×=÷= 1÷=×50%= 2÷1.25=
直接写出得数： 365×14= 9﹣2.64= 56÷0.56=×12= 5.6﹣6.6﹣19= 630×9%=÷= 5+（﹣）=×÷=×+×=
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×
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÷6÷
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= 57×
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= 6.3÷
= 120×
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= 1÷
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×50%= 2÷1.25=
×12= 5.6﹣6.6﹣19=
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