6.1大数与凑整
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沪教小学数学四上6.1大数与凑整PPT
46元,53元,69元,89元,98元,109元,单柜“满100元减30元,衣服的尺码,130cm,140cm,150cm,160cm,身高:143厘米,尺寸:150厘米,把下列各数凑成整万数,四舍五入法,进一法,去尾法,8,7,4,5,4,2,0,6,8,5,5,7,4,2,8,2,2,3,6,3,3,4,9,5,6,3,8,7,0,5,0,0,0,8,7,0,6,0,0,0,8,7,0,5,0,0,0,6,0,5,0,0,0,2,8,0,2,0,0,0,3,0,9,0,0,0,6,0,6,0,0,0,6,0,6,0,0,0,2,8,0,3,0,0,0,2,8,0,2,0,0,0,4,0,0,0,0,0,4,0,0,0,0,0,