cqgn.net
当前位置:首页 >> 1,计算下面各题用(脱式计算) 1/6+1/3+1/2 8/15+... >>

1,计算下面各题用(脱式计算) 1/6+1/3+1/2 8/15+...

1/6+1/3+1/2 =1/6+2/6+3/6 =1 8/15+(7/30-1/5) =16/30+7/30-6/30 =17/30 6/7-(1/7+1/2) =6/7-1/7-1/2 =12/14-2/14-7/14 =2/14 9/10-(1/4-1/6) =9/10-1/4+1/6 =54/60-15/60+10/60 =49/60

1/8+2/15+7/8 =1/8+7/8+2/15 =1+2/15 =1又2/15 ----------------------------------------------------------

=1/8+18/30-13/30 =1/8+5/30 =1/8+1/6 =3/24+4/24 =7/24

60×(1/12+1/15+1/4) =60×1/12+60×1/15+60×1/4 =5+4+15 =24 (5/12-3/8)×72 =5/12×72-3/8×72 =30-27 =3 7/25×4/9+7/25×5/9 =7/25×(4/9+5/9) =7/25×1 =7/25 6/7-5/24÷7/12 =6/7-5/24×12/7 =12/14-5/14 =7/14 =1/2 [3/4×(7/16-1/4)]÷9/13 =3/4×(7/1...

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...

(1)(384+336)÷15×13,=720÷15×13,=48×13,=624;(2)(11+30.6)÷16+16.5,=41.6÷16+16.5,=2.6+16.5,=19.1;(3)2- 5 4 × 8 15 - 1 3 ,=2- 2 3 - 1 3 ,=2-( 2 3 + 1 3 ),=2-1,=2;(4)[1-( 1 6 + 1 4 )]÷ 7 10 ,=[1- 5 12 ]...

(1)15?12×10%=15-120=320;(2)90.5×99+90.5=90.5×(99+1)=90.5×100=9050;(3)[14.8+(627?4.5)×1325]÷223.=[14.8+2514×1325]÷223=[14.8+2]÷223=16.8÷223=6.3.

答案如图所示:

39+[-23]+0+[-16]= 0 [-18]+29+[-52]+60= 19 [-3]+[-2]+[-1]+0+1+2= -3 [-301]+125+301+[-75]= 50 [-1]+[-1/2]+3/4+[-1/4]= -1 [-7/2]+5/6+[-0.5]+4/5+19/6= 1.25 [-26.54]+[-6.14]+18.54+6.14= -8 1.125+[-17/5]+[-1/8]+[-0.6]= -3 [-|98|+76+(...

=(1+19)x19÷2 =190

网站首页 | 网站地图
All rights reserved Powered by www.cqgn.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com