1.(-43/9)-(-6/19)-(20/9)+(-37/6)
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1.(-43/9)-(-6/19)-(20/9)+(-37/6)
2.(-11/3)-(-11/4)-(-5/3)-(1.75)
2.(-11/3)-(-11/4)-(-5/3)-(1.75)
1.原式=-(43/9+20/9)+6/19-37/6
=-63/9+(36-703)/114
=-7-667/114
估计这题目写错了,应该是(-43/9)-(-19/6)-(20/9)+(-37/6),如果是这样的话,原式=-(43/9+20/9)-(37-19)/6 =-63/9-18/6 =-7-3 =-10
2.原式=-11/3+11/4+5/3-7/4
=(-11+5)/3 +(11-7)/4
=-6/3 + 4/4
=-2+1
=-1
=-63/9+(36-703)/114
=-7-667/114
估计这题目写错了,应该是(-43/9)-(-19/6)-(20/9)+(-37/6),如果是这样的话,原式=-(43/9+20/9)-(37-19)/6 =-63/9-18/6 =-7-3 =-10
2.原式=-11/3+11/4+5/3-7/4
=(-11+5)/3 +(11-7)/4
=-6/3 + 4/4
=-2+1
=-1
1.(-43/9)-(-6/19)-(20/9)+(-37/6)
找规律填数 37 19 10 6 3 18 9 4 3 9 () () () () ()
18,4,12,9,9,20,(),43
1/2 7/9 13/16 19/13 5/6 ()这道题怎么算出来的啊?31/37
9 ( ) 25 9 ( ) 36 12 6 ( )( )
(1)原式=(43-3)×6=33×3×2=9
填空题,补充数字2 5 9 19 37 )
找规律填数,6 20 9 7 16 8 5 ( ) 9 ( ) 14 ( )
找规律7,9,13,19,27,37,(),(),(),()
(9到6)
几道计算题,1.(-5/6)÷(-19/6)÷[1/24×(-5/4)]-0.25÷1/42.-1-4/13×[-4-9
如何巧算:(38/37+42/41+44/43)/(19/37+21/41+22/43)