19/27-(17/7+19/8)-17/9简算
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19/27-(17/7+19/8)-17/9简算19/27-(17/7+19/8)-17/9简算19/27-(17/7+19/8)-17/9简算19/27-(17/7+19/8)-17/9=(19/2
19/27-(17/7+19/8)-17/9简算
19/27-(17/7+19/8)-17/9简算
19/27-(17/7+19/8)-17/9简算
19/27-(17/7+19/8)-17/9
=(19/27-17/9)-(17/7-19/8)
=(19/27-51/27)-(17/7-19/8)
=-32/27-(136/56-133/36)
=-32/27-3/36
=-32/27-1/12
=-128/108-9/108
=-137/108
19/27-(17/7+19/8)-17/9简算
7,8,17,19
19,9,17,8,15,7,(),()
40,24,8;25,19,3;27,3,( );( ),16,17
17 19
19分之17÷(19分之17×7）简便
16 17 19 22 27 45
17 18 19 27初中数学!
1.5,6,19,17,( ),-55;2.3,-1,8,9,73,( );3.13,22,37,58,( );4.15,7,17,( ),22,112;5.2,9,82,1025,( );6.6,7,19,33,71,( );7.0,5,8,17,24,( );8.3,8/9,7/27,2/27( );9.12,17,18,19,( )10.1220,1232,1244,1256,1272,1280,( );问题补充没有选项(因为是朋友用
29,17,39,27,19,()37,29,17,39,27,19,()A.17 B.29 C.37 D.32
11/17+17/19+20/17+40/19+37/17
(3/17+4/19)×19×17
3/19+7/17等于多少?
17×19+17简便计算
17×19+17简便计算
托福 17+17+19+24
1+3+5+7+9+11+13+15+17+19+21+23+25+27+29+31
1+3+5+7+9+11+13+15+17+19+21+23+25+27+29=?