在5个3之间填上+、-、×、÷,使等式等于6成立,你有几种填法 □÷□=3……2,如果除数是一位数,那么有几种填法使等式成立...
\u5728\u6570\u5b57\u4e4b\u95f4\u586b\u4e0a\u201c\uff0b\u201d\u201c\uff0d\u201d\u201c\u00d7\u201d\u201c\u00f7\u201d\u548c\u201c\uff08\uff09\u201d\uff0c\u4f7f\u4e0b\u9762\u7684\u7b49\u5f0f\u6210\u7acb\uff0c3 3 3 3 3\uff1d6\uff1f\u8fd9\u4e2a\u9898\u586b\u7684\u65b9\u6cd5\u4e0d\u6b62\u4e00\u79cd\u3002
\uff083-3\uff09\u00f73+3+3=6
\u25a1\u00f7\u25a1=3\u2026\u20262\uff0c\u5982\u679c\u9664\u6570\u662f\u4e00\u4f4d\u6570\uff0c\u90a3\u4e48\u6709\uff08b\uff09\u79cd\u586b\u6cd5\u4f7f\u7b49\u5f0f\u6210\u7acb
a:6 b:7 c:9
\u89e3\u6790:
\u6839\u636e"\u5728\u9664\u6cd5\u7b97\u5f0f\u4e2d\uff0c\u4f59\u6570\u4e00\u5b9a\u6bd4\u9664\u6570\u5c0f"\u53ef\u77e5\uff0c\u9664\u6570\u6700\u5c0f\u662f2+1=3\u3002\u518d\u6839\u636e"\u9664\u6570\u662f\u4e00\u4f4d\u6570"\u53ef\u5f97\uff0c\u9664\u6570\u5927\u4e8e2\u800c\u5c0f\u4e8e10\uff0c10-2-1=7\uff08\u79cd\uff09\uff0c\u6240\u4ee5\u6b63\u786e\u7b54\u6848\u9009b\u3002
3+3+(3-3)÷3=6
(3×3+3×3)÷3=6
3×3-3+3-3=6
(3÷3+3÷3)×3=6
(3+3-3)×3-3=6
绛旓細鍦5涓3涔嬮棿濉笂閫傚綋鐨勮繍绠楀瓙鍙锋垨鎷彿,浣跨瓑寮忔垚绔 3 3 3 3 3=6 锛3梅3+3梅3锛壝3=6 鍦ㄦ嫭鍙烽噷闈㈠~涓婇傚綋鐨勮繍绠楀瓙鍙凤紝浣跨瓑寮忔垚绔12锛堬級6锛堬級3=4锛堬級4 鍑洪敊棰樺暒锛佸湪锛堬級涔嬮棿濉笂閫傚綋鐨勮繍绠楀瓙鍙,浣夸笅鍒楃瓑寮忔垚绔: 1锛堬級2锛堬級3锛堬級4锛堬級5锛堬級6=1 浣犲ソ锛屽緢楂樺叴鍥炵瓟浣犵殑闂 1-2...
绛旓細3*3+3+3-3=6
绛旓細锛3梅3+3梅3锛壝3=6
绛旓細5 脳 5 - 5 - 5 - 5 =25-5-5-5 =10 (5 梅 5 + 5 梅 5 ) 脳 5 =(1+1)脳 5 =10 (5 - 5) 脳 5 +( 5 + 5)=0脳5+10 =10 (5 + 5) - (5 - 5) 脳 5 =10-0脳5 =10 涓鍏辨槸4涓
绛旓細(5+5)脳5-锛5梅5锛=49
绛旓細3脳3-3-3-3=0 (3+3+3)梅3-3=0 (3+3-3-3)梅3=0 杩樻湁寰堝绉嶆柟娉曞彲浠ョ畻鐨
绛旓細5x5x(5-5梅5锛夛紳100
绛旓細4梅4+4+4-4=5 4x4梅4+4梅4=5 4梅4+4-4+4=5
绛旓細3x3-3-3-3=0 3梅3+3梅3+3-3=2 3+3-3-3+3=3 6+6-6-6+6-6梅6=5
绛旓細3³+3+3梅3 =27锛3锛1 =30锛1 =31