直接写得数．
42×48= 32×125= 400065×65=
45×11= 49518.8﹣3.67﹣3.8﹣6.33= 3.35+4.28+6.65+5.72= ．
直接写得数．
42×48= 32×125= 400065×65=
45×11= 49518.8﹣3.67﹣3.8﹣6.33= 3.35+4.28+6.65+5.72= ．
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