填运算符号的题目,谁来? 小学填运算符号的题目,谁来?
\u586b\u8fd0\u7b97\u7b26\u53f7\u7684\u9898\u76ee,\u8c01\u6765?99999=369
(9-\u221a9)!/((\u221a9)!/\u221a9)+9 =(9-3)!/(3!/3)+9 = 6!/2+9 =720/2+9=369
33333=369
(3+3)!/(3!/3)+3^ =6!/(6/3)+9 = 720/2+9 =360+9=369
(3^(3!)+3^)/(3!/3) =(3^6 + 9)/(6/3)= (729+9)/3 =738/2=369
6\u4e0d\u77e5\u5982\u4f55\u586b\uff0c\u5982\u679c\u5141\u8bb8\u53d6\u6574\u8fd0\u7b97\u7684\u8bdd\uff0c\u5c31\u53ef\u4ee5\u3002
(4-3)*2-1=1
(4-3)*2*1=2
(4-3)*2+1=3
4+3-2-1=4
(4+3-2)*1=5
4+3-2+1=6
(4+3)*(2-1)=7
4+3+2-1=8
(4+3+2)*1=9
4+3+2+1=10
4*3-2+1=11
4*3*(2-1)=12
4*3+(2-1)=13
(4*3+2)*1=14
4*3+2+1=15
4*(3+2-1)=16
\u2026\u2026
1、333333=123 ，10个：
3*(33-3)+33=123，(33-3)*3+33=123，33-3*(3-33)=123
33+3*(33-3)=123，33-(3-33)*3=123，33+(33-3)*3=123
3*(3*3+33)-3=123，(3*3+33)*3-3=123，3*(33+3*3)-3=123
(33+3*3)*3-3=123
2、666666=456 ，12个：
6*66-6+66=456，6*66+66-6=456，66-6+6*66=456，66*6-6+66=456
66+6*66-6=456，66-6+66*6=456，66*6+66-6=456，66+66*6-6=456
(6+6/6)*66-6=456，(6/6+6)*66-6=456，66*(6+6/6)-6=456，66*(6/6+6)-6=456
3、99999999=789 ，8个：
9+9*99-999/9=789，9+99*9-999/9=789，9*99+9-999/9=789
9*99-999/9+9=789，9-999/9+9*99=789，9-999/9+99*9=789
99*9+9-999/9=789，99*9-999/9+9=789
99*9-999/9+9=789
绛旓細浜屻6666=22 锛屾棤瑙 涓夈9999=333 锛屾棤瑙
绛旓細1銆333333=123 锛10涓細3*(33-3)+33=123锛(33-3)*3+33=123锛33-3*(3-33)=123 33+3*(33-3)=123锛33-(3-33)*3=123锛33+(33-3)*3=123 3*(3*3+33)-3=123锛(3*3+33)*3-3=123锛3*(33+3*3)-3=123 (33+3*3)*3-3=123 2銆666666=456 锛12涓細6*66-6+66...
绛旓細1.浠"+.-.x.闄"涓寫鍑哄悎閫傜殑绗﹀彿,娣诲叆涓嬪垪鍚勫紡鏍煎紡鐨勫湴鏂,浣胯妭鏋滅瓑浜庡凡鐭ユ暟 [3 3 3梅 3 +锛3 3梅 3)脳锛3脳 3 -3 梅3锛塢脳锛 3 +3+ 3+ 3梅 3锛=1990 [4 4 4梅 4+ 4 4 梅4 脳锛4+ 4锛塢脳[ 4+ 4 +4- 锛4+ 4锛壝 4 ]+4=1994 2.鍙坊涓浜涘姞鍙蜂簬涓嬪垪鏍煎紡鍚...
绛旓細涓銆 3鐨勫钩鏂+7-5 = 11 浜屻 3!*( 7 -5 )= 12 涓夈侊紙鈭氾紙-3+7锛夛級鐨勭珛鏂+ 5 = 13 鍥涖佲垰(3鐨勭珛鏂+7鐨勫钩鏂+5锛侊級= 14 浜斻3 + 7+ 5 = 15 鍏3 * 7 - 5 = 16 涓冦 -3鐨0娆℃柟-7+5鐨勫钩鏂= 17 鍏3锛+7+5 = 18 涔濄侊紙-3+7锛! -...
绛旓細1+2脳3+45=6脳78梅9=52 1+2脳3-4-5=6-7+8-9=-2 1+2脳3脳4+5=6+7+8+9=30 1+23-4+5=6脳7-8-9=25 1+23脳4-5=6-7+89=88 1-2+3-4脳5=6-7-8-9=-18 1-2+3脳4+5=6-7+8+9=16 1-2+3脳4脳5=6脳7+8+9=59 1-2-3+4-5=67-8脳9=-5 1-2-3+...
绛旓細锛1锛436-279-21=436-锛279+21锛夛紱锛2锛34脳125脳8=34脳锛125脳8锛夛紱锛3锛120梅5梅4=120梅锛5脳4锛夛紱锛4锛49脳38+15脳38+38=锛49+15+1锛壝38锛庢晠绛旀涓猴細锛1锛+銆21锛涳紙2锛125銆伱椼8锛涳紙3锛5銆伱椼4锛涳紙4锛15銆1銆38锛,1,鍦ㄢ枴閲濉涓杩愮畻绗﹀彿锛鍦ㄦí绾夸笂濉笂鍚堥傜殑鏁帮紟...
绛旓細9+8+7脳6-5脳4脳3+2=1 9+8-7+6-5-4-3脳2=1 9+8-7+6-5-4脳3+2=1 9+8-7+6-5脳4+3+2=1 9+8-7-6-5-4+3脳2=1 9+8-7-6脳5梅4-3梅2=1 9+8-7脳6+5脳4+3脳2=1 9+8-76+54+3脳2=1 9+8脳7-6-5脳4脳3+2=1 9+8脳7-65-4+3+2=1 9-8+7-...
绛旓細濉繍绠楃鍙:锛4+4-4锛壝4=1 浣犲ソ锛屾湰棰樺凡瑙ｇ瓟 濡傛弧鎰忥紝璇风偣閲囩撼
绛旓細((6-1)*3+86)*(1*3+8)=1111锛((6-1)*3+86)*1*(3+8)=1111 ((6-1)*3+86*1)*(3+8)=1111锛((6-1)*3+86)/1*(3+8)=1111 ((6-1)*3+86/1)*(3+8)=1111锛6+((1-38)*6+1)*(3-8)=1111 (6-1)*(38*6-1)-3*8=1111锛6+13*(8+(6+1)*(3+8))=...
绛旓細99999=369 (9-鈭9)!/((鈭9)!/鈭9)+9 =(9-3)!/(3!/3)+9 = 6!/2+9 =720/2+9=369 33333=369 (3+3)!/(3!/3)+3^ =6!/(6/3)+9 = 720/2+9 =360+9=369 (3^(3!)+3^)/(3!/3) =(3^6 + 9)/(6/3)= (729+9)/3 =738/2=369 6涓嶇煡濡備綍濉紝濡傛灉鍏佽...
