六年级下册数学伴你学答案大全71页两个数互为倒数其中一个数是0.18另一个数是（）
\u9c81\u6559\u7248\u521d\u4e09\u4e0b\u518c\u6570\u5b66\u4f34\u4f60\u5b66\u7b54\u6848 20\u9875\u76841\u523014 18\u98759\u300110\u300112 13\u9875 1\u523010 \u62dc\u6258\u5566 \u901f\u5ea6\u81ea\u5df1\u505a
\u8bbe\u5916\u89d2\u4e3aX\u5ea6\uff0c\u5219
180*\uff08n-2\uff09+ x = 1360
\u56e0\u4e3a 0\uff1c x \uff1c180
\u6240\u4ee5 1180\uff1c180\uff08n-2\uff09\uff1c1360
\u6240\u4ee5 n=5
\u5e0c\u671b\u6211\u7684\u56de\u7b54\u80fd\u5e2e\u52a9\u4f60\u3002
另一个数就是50/9
1÷0.18=100/18=50/9
绛旓細锛2锛67.5 75 7銆侊紙1锛4-10%x65% = 26(浜)锛2锛4+10%x25%=10(浜) 26- 10=16(浜)
绛旓細1. 璁捐鏁颁负x锛屽垯鏈1/4x = 20 * 1/3銆傝В寰梮 = 80/3銆2. 40 * 3/4 = 4/5x銆傝В寰梮 = 12.5銆3. 瑕佺紪缁198绫冲竷锛屽嵆涓や釜99绫冲竷锛屽洜姝ゆ墍闇鏃堕棿涓3/4 * 2 = 3/2灏忔椂銆4. 30鍒嗛挓绛変簬0.5灏忔椂锛岃璧0.5鍗冪背锛岄偅涔6灏忔椂搴旇璧6鍗冪背銆傦紙6/0.5锛* 0.5 = 6鍗冪背銆5. 姹借溅4...
绛旓細1.鎴戜滑璁捐繖涓暟鏄痻锛岄偅涔堝氨鏈1/4x=20*1/3锛屽彲浠ユ眰鍑簒=80/3 2.40*3/4=4/5x銆倄=12.5. 3.瑕佺粐198绫冲竷涔熷氨鏄袱涓99绫冲竷锛屾墍浠ョ粨鏋滄槸3/4*2=3/2灏忔椂 4.涓夊崄鍒嗛挓灏辨槸0.5灏忔椂锛岃璧颁簡0.5鍗冪背锛岄偅涔6灏忔椂璇ヨ蛋6鍗冪背銆傦紙6/0.5锛*0.5=6 5.4.5灏忔椂姹借溅琛岄┒浜60*4.5=270鍗冪背锛岃...
绛旓細鑻忔暀鐗鍏勾绾т笅鍐屾暟瀛︿即浣犲85,86,87,88,89椤绛旀锛 85~86椤电瓟妗堝湪杩:jyeoo./math3/report/detail/f073557b-8ebb-43af-a6b7-0075e04508b4 87~88:jyeoo./math3/report/detail/600bbf92-835f-4c-b600-a877f99bf0d5 89~90:jyeoo./math3/report/detail/046ac520-7933-40-8e7d-d...
绛旓細绛旀涓50/9
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