用1-9的数字写出算式看你能列出几组只有1可以重复 15-7=16-8 后面列式2题一样的（ ）-（ )=( )-( ) 用1-9这九个数填一填。你能组成多少组这样的算式（每个算式只...
1-9\u8fd9\u4e5d\u4e2a\u6570\u586b\u4e00\u586b\uff0c\u4f60\u80fd\u7ec4\u6210\u591a\u5c11\u8fd9\u6837\u7684\u7b97\u5f0f\uff0c\uff08\u6bcf\u4e2a\u7b97\u5f0f\u53ea\u67091\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\uff0915-6=17-81-9\u8fd9\u4e5d\u4e2a\u6570\u586b\u4e00\u586b\uff0c\u4f60\u80fd\u7ec4\u6210\u591a\u5c11\u8fd9\u6837\u7684\u7b97\u5f0f\uff0c\uff08\u6bcf\u4e2a\u7b97\u5f0f\u53ea\u67091\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\uff0915-6=17-8
\u89e3\u7b54\uff1a
11-2=13-4 \u300112-3=14-5\u3001
13-4=15-6\u300114-5=16-7
......
\u7279\u70b9\uff1a
\u88ab\u51cf\u6570\u5341\u4f4d\u76841\u91cd\u590d\uff0c\u4e2a\u4f4d\u6570\u53ca\u51cf\u6570\u7684\u987a\u5e8f\u5206\u522b\u4e3a1234 \uff0c2345\uff0c 3456\uff0c 4567
\u75281~9\u8fd9\u4e5d\u4e2a\u6570\u586b\u4e00\u586b\u3002\u4f60\u80fd\u7ec4\u6210\u591a\u5c11\u7ec4\u8fd9\u6837\u7684\u7b97\u5f0f(\u6bcf\u4e2a\u7b97\u5f0f\u53ea\u67091\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528)\uff1a
\u662f\u53ef\u4ee5\u7ec4\u51fa\u5f88\u591a\u7684\uff0c\u4f8b\u5982\uff1a
11-2=12-3
11-3=12-4
\uff0c\uff0c\uff0c\uff0c\uff0c\uff0c
18-1=19-2
18-2=19-3
18-3=19-4
\uff0c\uff0c\uff0c\uff0c\uff0c\uff0c
18-6=19-7
\u592a\u591a\uff0c\u5c31\u4e0d\u4e00\u4e00\u4f8b\u4e3e\u3002
\u62d3\u5c55\u8d44\u6599\uff1a\u5728\u524d\u540e\u7684\u4e24\u4e2a\u7b49\u5f0f\u4e2d\uff0c\u6bcf\u4e2a\u7b49\u5f0f\u524d\u9762\u7684\u4e8c\u4f4d\u6570\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u6570\u5b57\uff0c\u4e0d\u5f97\u51fa\u73b0\u4e0e\u76f8\u51cf\u4e2a\u4f4d\u6570\u76f8\u540c\u7684\u6570\u5b57\uff081\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\uff0c\u9664\u5916\uff09\uff0c\u5426\u5219\u4e0d\u7b26\u5408\u9898\u76ee\u7684\u8981\u6c42\u3002
\u89e3\uff1a
\u6bcf\u4e2a\u7b97\u5f0f\u53ea\u67091\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528
11-2=13-4
12-3=14-5
13-4=15-6
14-5=16-7
\u4f9d\u6b21\u7c7b\u63a8
\u8fd8\u53d1\u73b0\u7684\u7279\u70b9\u662f1234 2345 3456 4567
\u53ea\u662f\u88ab\u51cf\u6570\u5341\u4f4d\u76841\u91cd\u590d\u3002
\u62d3\u5c55\u8d44\u6599
\u75281\u4e009\u8fd9\u4e5d\u4e2a\u6570\u586b\u4e00\u586b\u3002\u4f60\u80fd\u7ec4\u6210\u591a\u5c11\u7ec4\u8fd9\u6837\u7684\u7b97\u5f0f\uff08\u6bcf\u4e2a\u7b97\u5f0f\u53ea\u67091\u53ef\u4ee5\u91cd\u590d\u4f7f\u7528\uff09\uff1f
\u793a\u4f8b\uff1a
15-6=17-8
14-5=16-7
13-4=18-9
12-3=15-6
11-3=12-4=15-7=16-8
11-4=12-5=13-6
。。。
9-8=7-6=5-4=3-2
9-7=8-6=5-3
。。。。
98-76=54-32
98-54=76-32
实在太多太多了。。。
12－3＝14－5
13－4＝15－6
14－5＝16－7
15－6＝17－8
16－7＝18－9
13－5＝14－6
14－6＝15－7
………
学习愉快！
绛旓細13-6=15-8 11-4=16-9
绛旓細鐪嬬湅鍚ц繖鏍峰仛
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绛旓細3-2=5-4锛4-3锛6-5锛4-2锛5-3锛12-3锛14-5锛13-5锛14-6锛涒︹
绛旓細2梅1 6梅3 8梅4
绛旓細鍙互鏍规嵁鎬绘暟姹傚嚭杩欎笁涓暟鐨勫钩鍧囨暟锛2016梅3=672 閭ｄ箞鍙互纭畾鍏朵腑涓涓暟鏄672 鏈绠鍗曠殑鏂规硶锛屽氨鏄妸672鍚勪釜浣嶄笂鐨勬暟閮界湅鎴愯繖涓変釜鏁板悇涓暟浣嶄笂鐨勫钩鍧囨暟 閭ｄ箞鍙﹀涓や釜鏁扮殑鐧句綅鍙兘鏄4鍜6锛堣繖鏄叾涓竴绉嶆儏鍐碉紝鐢ㄥ亣璁炬硶锛夊彟澶栦袱涓暟鐨勪釜浣嶅彲鑳芥槸1鍜3 閭ｄ箞绠楀紡鍙兘鏄細672+491+853=2016 涔熷彲鑳芥槸...
绛旓細鐢1涓9杩欎節涓暟濉竴濉浣犺兘缁勬垚澶氬皯缁勮繖鏍鐨勭畻寮锛堟瘡涓畻寮忓彧鏈1鍙互閲嶅浣跨敤锛夛紵绀轰緥锛15-6=17-8 14-5=16-7 13-4=18-9 12-3=15-6
绛旓細绗涓棰橈細鍔犳硶 63+28=91 68+23=91 64+27=91 67+24=91 鍒嗘瀽锛氫釜浣嶄笂锛氬嚑+鍑=1,鍙互濉0,1,浣嗘槸姣忎釜绠楀紡涓鐨勬暟瀛涓嶈兘閲嶅锛屾墍浠ヤ笉鑳藉～0,1锛涢偅涔堬紝杩欎竴棰樺簲璇ユ槸鍑+鍑=11锛屾兂11鐨勫垎鍚堬紙鏁板瓧涓嶈兘閲嶅锛夊彧鏈夛紙3,8锛夛紙4,7锛夊崄浣嶄笂锛9-6-1=2 绗簩棰橈細鍑忔硶 63-18=45 43-18=25 涓...
绛旓細5346/27=198 4396/28=157 5796/12=483 5796/42=138 5346/18=297 7254/39=186 7632/48=159
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