14个4用加减乘除计算,怎样计算得出答案是1994 如题:4 4 4 4 4 4 4 4 4 4 4 4 4 4=1994 4 4 4=6怎么算(只能用加减乘除)
14\u4e2a4\u7528\u52a0\u51cf\u4e58\u9664\u548c\u62ec\u53f7\u7b97\u51fa1994[4*(4*4*4*4-4-4)+4+4/4]*(4/4+4/4)
=[4*(256-8)+4+1]*(1+1)
=[4*248+5]*2
=[992+5]*2
=997*2
=1994
\u6216\u8005\uff1a
4*4*[4*4*(4+4)-4]+4*4-4-4/4-4/4
=16*[16*8-4]+16-4-1-1
=16*124+10
=1984+10
=1994
\u6216\u8005\uff1a
4*4*[4*4*(4+4)-4+4/4]-4-4/4-4/4
=16*[16*8-4+1]-4-1-1
=16*125-6
=2000-6
=1994
\u6216\u8005\uff1a
4*{4*[4*4*(4+4)-4]+4-4/4}-4/4-4/4
=4*{4*[16*8-4]+4-1}-1-1
=4*{4*124+3}-2
=4*499+2
=1996-2
=1994
\uff084 + 4\uff09/ 4+ 4=6
\u62d3\u5c55\u7b54\u6848\uff0c\u5982\u679c\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u7b26\u53f7
\u221a4+\u221a4+\u221a4=64\u5f00\u6839\u53f7=2+2+2=6
\u62d3\u5c55\u8d44\u6599
\u76ca\u667a\u6570\u5b66\u9898
\u3010\u9898\u76ee\u3011
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4x4x4x4x(4+4)-4x4x4+4+4+(4+4)÷4
=2048-64+4+4+2
=1994
444*4+44*4+4*4*4 -44/4-44/4
44*44+44+44/4-4+44/4-4+4-4
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