36÷4等于九。12+9等于21。看成一个综合算式。这道题该怎么做呢? 36除4等于9 12加9等于21合并成一个综合算式?
36\u00f74\u7b49\u4e8e\u4e5d\u300212+9\u7b49\u4e8e21\u3002\u770b\u6210\u4e00\u4e2a\u7efc\u5408\u7b97\u5f0f\u3002\u8fd9\u9053\u9898\u8be5\u600e\u4e48\u505a\u5462\uff1f\u7efc\u5408\u7b97\u5f0f: 12+36/4\uff1d21\u7efc\u5408\u7b97\u5f0f\u53e3\u8bc0: \u5148\u4e58\u9664\u540e\u52a0\u51cf\uff0c\u6240\u4ee5\u505a\u9898\u7684\u65f6\u5019\u5148\u89e3\u5f0036\u9664\u4ee54\u7b49\u4e8e9\uff0c\u518d\u752812+9\uff0c\u7ed3\u679c\u5c31\u662f21\u4e86
36\u00f74+12
=9+12
=21
\u6b64\u4e0a\u662f\u5408\u5e76\u7684\u7efc\u5408\u7b97\u5f0f\u3002
12+36÷4
=12+9
=21
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绛旓細12+36梅4=21
绛旓細36/4=9 27/9=3 27/锛36/4锛=27/9 =3
绛旓細(36梅4)+12=21銆
绛旓細鍚庨潰鐨勬病鏈夋墦鍑烘潵銆傛病娉曠畻鍑烘爣鍑嗙殑绛旀銆傛寜宸茬粡鏈夌殑鍒楀紡涓猴紝锕19鍙4/9锛9鍙4/9锕梅2锛濓箼19锛9锛4/9脳2锕毭1/2锛濓箼28锛8/9锕毭1/2锛28脳1/2锛8/9梅1/2锛14锛4/9锛14鍙4/9锛绛変簬14鍙9鍒嗕箣4
绛旓細36梅4绛変簬912+9=21 鍒楃患鍚堢畻寮 12+36梅4 =12+9 =21
绛旓細鍥炵瓟锛36梅(8梅2)绛変簬9
绛旓細36浠h〃4鍜9鐨勪箻绉 38 梅 4 = 9 鈥 2 绔栧紡瑙佸浘锛
绛旓細36梅9绛変簬4.鎯筹細锛4锛変箻9绛変簬36.鍙h瘈锛鍥锛涔濅笁鍗佸叚锛岃浣滐紙36闄や互9绛変簬4 锛夛紝琛ㄧず鎶婏紙36 锛夊钩鍧囧垎鎴愶紙9 锛変唤锛屾瘡浠芥槸锛4 锛夛紝涔熷彲浠ヨ〃绀猴紙 36锛夐噷闈㈡湁4涓紙 9锛