4 25/72-(5/12+11/15)÷46/45
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4 25/72-(5/12+11/15)÷46/45
2/5+1/4+3/8 11/9-2/7-5/7 11/25+(1/12+14/25) 15/18-(15/18-11/12) 简算,急2/5+1/4+3/8 11/9-2/7-5/7 11/25+(1/12+14/25)15/18-(15/18-11/12)
400÷25 9000÷125÷8 72×125 64×11-64 4×8×25×125 15×12+25×12+40×8 36×25 简便
[1-(7/15+0.35*17/5)÷17/9】*25/8-11/12*(3/4-0.75)
能简算的要简算 72×27+72×72,4×(25×36+25×164),[1178-12×(84能简算的要简算72×27+72×72,4×(25×36+25×164),[1178-12×(84+5)]÷5,(24+24+24)×25,(1850+1690)÷(47+12),29×[3328÷(32×105-3328)]求
1、1,4,9,16,25,( ),( ),64,81.2、19,12,17,11,15,( ),( ),( ).3、18,9,10,5,6,( ),( ).
请快些回答,11/12×36/121+25/121×11/50怎么简算4/15+5/12-4/15×5/12怎么简算
72*(9分之4+12分之5-18分之11)简便
2011年杭州初一希望杯数学邀请赛第一试答案是什么?我的:2 3 4 5 6 7 8 9 10:ABAADBDCDC填空题:11 12 13 14 15 16 17 18 19 20 21 22 23 24 25:2 ; 2011; 20; 72; 24; 117; 126; 61,83; -2; 1/15 ; 1,(6);
(24+21/4)÷4=?27/5×3/2×25/9=?(8/5+11/3)×88=?4/1(24+21/4)÷4=?27/5×3/2×25/9=?(8/5+11/3)×88=?4/15×12/5-12/5×4/3=?
3/2,4/3,5/4,10/9,9/8,( )A.12/11 B.16/15 C.25/24 D.28/27具体解释,谢谢!
观察1+3=4;4+5=9;9+7=16;16+9=25;25+11=36;这五道算式,找出规律,然后填写1225+()=(),1+1/2+1/6+1/12+1/20+.+11/72=第二题最后是1又1/72
直接写的书.(1)5分之12÷12分之5=?(2)65×15分之2=?(3)25分之2÷10分之7=?(4)11分之4÷4=?
(0.25+25/4)×4/15+6.5×11/15
1,1,2,4,3,9,4,16,( )25,6,( ),.15,16,13,19,11,22,( ),25,7,( ),.填入适当的数2 6 7 11 2 3 14 4 ()1 3 5 23 5 5 6 4()3填入适当的数3,5,7,11,15,19,23,.6,12,33,27,21,10,15,30,.2,5,10,16,22,28,32,38,24,...2,3,5,8,12,16,23,3
3/2-5/6+7/12-9/20+11/30-15/42+15/56-17/72
找规律数学题 25,19,21,17,17,15,13,13()()找规律数学题25,19,21,17,17,15,13,13()()8,24,12,36,18()()2,5,11,23,47()()1,4,9,16,25()()2,3,8,8,14,13,20()()81,162,54,108,36,72()()求技术宅.最好把里面解题的规律跟公式一块写出来.
5/6+59+25+1/6+3/7+2/9+4/7+11/15+12/15+11/14+2/5+3/8+5/9+2/7