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306x24简便计算列脱式计算.

326×24 =325×24+24 =﹙200+125﹚×8×3+24 =4800+3000+24 =7824

36x24+12x24+48 =(36+12)x24+48 =48x24+48 =48x(24+1) =48x25 =1200

1/6+1/3×9/15 =1/6+1/15 =5/30+2/30 =7/30 (3/8+5/12)x24 =3/8*24+5/12*24 =9+10 =19 35除以[(11/6-2/3)]x24 =35÷5/6×24 =42×24 =1008 (4/3-3/5)除以3/4 =(20/15-9/15)÷3/4 =11/15×4/3 =44/45 5x4/5除以5x4/5 =(5÷5)×(4/5×4/5) =1×16/25 =16...

=387(24+75+1) =387*100 =38700

864一12x24 =864-288 =576

50-50×24÷80 =50-1200÷80 =50-15 =35

原式=576÷12一15X24÷12 =48一15X2 =48一30 =18

50-50x24÷80 =50-1200÷80 =50-15 =35

99x24/25 =(100-1)×24/25 =100×24/25-24/25 =96-24/25 =95又1/25

方法一: 解:24x24/25 =(25-1)x24/25……把24转化成25-1 =25x24/25-1x24/25……运用乘法分配率 =24-24/25 =23又1/25 方法二: 解:24x24/25 =24x(1-1/25)……把24/25转化成1-1/25 =24x1-24x1/25……运用乘法分配律 =24-24/25 =23又1/25

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