求下列各组数的最大公因数和最小公倍数．24和36 48和54 65和78．
直接写出得数．×40== 25×==== 1﹣50%=÷==×=
直接写得数．×=÷2=×14= 10×=×2=×=÷=÷=
直接写出得数×10=+= 52×= 9÷=÷= 11﹣= 0÷×=﹣+= 1÷9×=
直接写出得数．=========================
直接填得数×=×= 16×=÷= 1÷=÷= 9÷=÷33= 1﹣25%= 75%+0.25=÷=﹣=
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×40=
= 25×
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= 1﹣50%=
÷
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×
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×
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÷2=
×14= 10×
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×2=
×
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×10=
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= 52×
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= 11﹣
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= 1÷9×
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×
×
= 16×
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÷
= 1÷
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= 9÷
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÷33= 1﹣25%= 75%+0.25=
÷
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﹣
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