简便的20道分数四则混合运算 怎么写简便计算分数四则混合运算
\u4e8c\u5341\u9053\u5206\u6570\u56db\u5219\u8fd0\u7b97\u9898(\u8981\u7b54\u6848,\u80fd\u7b80\u4fbf\u7684\u8981\u7b80\u4fbf)\u62dc\u6258\u4e86\u8131\u5f0f\u8ba1\u7b97,\u80fd\u7528\u7b80\u4fbf\u65b9\u6cd5\u8ba1\u7b97\u7684\u8981\u7528\u7b80\u4fbf\u65b9\u6cd5\u8ba1\u7b97\uff0e
62\u00d77.1+2.9
4.2\u00d70.25
5.2\u00d74.3+0.8\u00d74.3
8.5+1.5\u00f70.25\u00d74\uff0e
0.25\u00d70.8+2.5%
9.6-11\u00f77+17*4
32\u00d7125\u00d72.5
13\u00f70.4\u00f72.5
1.25\u00d72.5\u00d70.8
1.5\u00d7101-1.5
4.8\u00d7101\uff0e
3.25\u00d74.7-7.8
0.57+0.43\u00d70.24\uff0e
33.02-\uff08148.4-90.85\uff09\u00f72.5\uff0e
945\u00f75\u00f73
152\u00d73\u00f72
43\u00d712\u00d76\uff0e
200+25\u00d733\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000
\uff0825+26\uff09\u00d748\uff0e
672\u00f7\uff082\u00d73\uff09 576\u00f73\u00f74\uff0e
35+360\u00f745\uff09\u00d72003 9975-1740\u00f7145\uff0e
224\u00f756+256 203\u00d7\uff0886-16\uff09
\u60a8\u597d\uff1a
(7/24-3/16)\u00f71/8
=\uff087/24-3/16\uff09x8
=7/24x8-3/16x8
=7/3-3/2
=5/6
\u5982\u679c\u672c\u9898\u6709\u4ec0\u4e48\u4e0d\u660e\u767d\u53ef\u4ee5\u8ffd\u95ee\uff0c\u5982\u679c\u6ee1\u610f\u8bf7\u70b9\u51fb\u53f3\u4e0b\u89d2\u201c\u597d\u8bc4\u201d
\u5982\u679c\u6709\u5176\u4ed6\u95ee\u9898\u8bf7\u91c7\u7eb3\u672c\u9898\u540e\uff0c\u53e6\u5916\u53d1\u5e76\u70b9\u51fb\u6211\u7684\u5934\u50cf\u5411\u6211\u6c42\u52a9\uff0c\u7b54\u9898\u4e0d\u6613\uff0c\u8bf7\u8c05\u89e3\uff0c\u8c22\u8c22\u3002
O(\u2229_\u2229)O\uff0c\u8bb0\u5f97\u91c7\u7eb3\uff0c\u4e92\u76f8\u5e2e\u52a9
\u795d\u5b66\u4e60\u8fdb\u6b65\uff01
27.7/19 + 12/19 × 5/6
28.1/4 + 3/4 ÷ 2/3
29.8/7 × 21/16 + 1/2
30.101 × 1/5 – 1/5 × 21
3.(23/4-3/4)*(3*6+2)
4.3/7 × 49/9 - 4/3
5.8/9 × 15/36 + 1/27
6.12× 5/6 – 2/9 ×3
7.8× 5/4 + 1/4
8.6÷ 3/8 – 3/8 ÷6
9.4/7 × 5/9 + 3/7 × 5/9
10.5/2 -（ 3/2 + 4/5 ）
11.7/8 + （ 1/8 + 1/9 ）
12.9 × 5/6 + 5/6
13.3/4 × 8/9 - 1/3
14.7 × 5/49 + 3/14
15.6 ×（ 1/2 + 2/3 ）
16.8 × 4/5 + 8 × 11/5
17.31 × 5/6 – 5/6
18.9/7 - （ 2/7 – 10/21 ）
19.5/9 × 18 – 14 × 2/7
20.4/5 × 25/16 + 2/3 × 3/4
21.14 × 8/7 – 5/6 × 12/15
22.17/32 – 3/4 × 9/24
23.3 × 2/9 + 1/3
24.5/7 × 3/25 + 3/7
25.3/14 ×× 2/3 + 1/6
26.1/5 × 2/3 + 5/6
27.9/22 + 1/11 ÷ 1/2
28.5/3 × 11/5 + 4/3
29.45 × 2/3 + 1/3 × 15
30.7/19 + 12/19 × 5/6
31.1/4 + 3/4 ÷ 2/3
32.8/7 × 21/16 + 1/2
33.101 × 1/5 – 1/5 × 21
。。。。。。。。
绛旓細鎮ㄥソ锛2004闄や互2004鍙2005鍒嗕箣2004 =2004梅锛2004+2004/2005锛=2004梅銆2004x(1+1/2005)銆=1梅锛1+1/2005锛=2005/2006 97鍙9鍒嗕箣7闄や互16 =锛96+16/9锛壝16 =96梅16+16/9梅16 =6+1/9 =6鍙1/9 100鍙11鍒嗕箣10闄や互10 =100梅10+10/11梅10 =10+1/11 =10鍙1/11 199419941994鍒...
绛旓細鍖呮嫭鏁存暟銆佸皬鏁般鍒嗘暟銆佺櫨鍒嗘暟 3/7 脳 49/9 - 4/3 2. 8/9 脳 15/36 + 1/27 3. 12脳 5/6 鈥 2/9 脳3 4. 8脳 5/4 + 1/4 5. 6梅 3/8 鈥 3/8 梅6 6. 4/7 脳 5/9 + 3/7 脳 5/9 7. 5/2 -锛 3/2 + 4/5 锛8. 7/8 + 锛 1/8 + 1/9 锛9. 9...
绛旓細20. 4/5 脳 25/16 + 2/3 脳 3/4 21. 14 脳 8/7 鈥 5/6 脳 12/15 22. 17/32 鈥 3/4 脳 9/24 23. 3 脳 2/9 + 1/3 24. 5/7 脳 3/25 + 3/7 25. 3/14 脳脳 2/3 + 1/6 26. 1/5 脳 2/3 + 5/6 27. 9/22 + 1/11 梅 1/2 28. 5/3 脳 11/...
绛旓細20. 4/5 脳 25/16 + 2/3 脳 3/4 21. 14 脳 8/7 鈥 5/6 脳 12/15 22. 17/32 鈥 3/4 脳 9/24 23. 3 脳 2/9 + 1/3 24. 5/7 脳 3/25 + 3/7 25. 3/14 脳脳 2/3 + 1/6 26. 1/5 脳 2/3 + 5/6 27. 9/22 + 1/11 梅 1/2 28. 5/3 脳 11/...
绛旓細20. 4/5 脳 25/16 + 2/3 脳 3/4 21. 14 脳 8/7 鈥 5/6 脳 12/15 22. 17/32 鈥 3/4 脳 9/24 23. 3 脳 2/9 + 1/3 24. 5/7 脳 3/25 + 3/7 25. 3/14 脳脳 2/3 + 1/6 26. 1/5 脳 2/3 + 5/6 27. 9/22 + 1/11 梅 1/2 28. 5/3 脳 11/...
绛旓細鍒嗘暟鍥涘垯娣峰悎杩愮畻 鎴戞潵绛 4涓洖绛 #鐑# 浣犲彂鏈嬪弸鍦堜細浣跨敤閮ㄥ垎浜哄彲瑙佸姛鑳藉悧? 鍖垮悕鐢ㄦ埛 2014-11-30 灞曞紑鍏ㄩ儴 宸茶禐杩 宸茶俯杩< 浣犲杩欎釜鍥炵瓟鐨勮瘎浠锋槸? 璇勮 鏀惰捣 鍖垮悕鐢ㄦ埛 2014-11-30 灞曞紑鍏ㄩ儴 宸茶禐杩 宸茶俯杩< 浣犲杩欎釜鍥炵瓟鐨勮瘎浠锋槸? 璇勮 鏀惰捣 鍖垮悕鐢ㄦ埛 2014-11-30 灞曞紑鍏ㄩ儴 杩介棶...
绛旓細闄ゆ暟鏄鍒嗘暟鐨勯櫎娉曪紝绛変笌鎶婇櫎鏁扮殑鍒嗗瓙锛屽垎姣嶄笂涓嬮鍊掞紝鍐嶄笌琚櫎鏁扮浉涔橈紝鑳界害鍒嗙殑鍐嶇害鍒 3/7梅3/14=3/7*14/3=2 6-锛2+6/13锛=3 +7/13
绛旓細鍒嗘暟鍥涘垯娣峰悎杩愮畻鍜屽簲鐢ㄩ澶嶄範 鎬庢牱绠渚灏辨庢牱璁＄畻: 梅(1- 脳) 脳銆惷(+)銆 (-脳)梅 +脳脳 9脳 +梅 (+)脳8+ X- X= 1- X= 8X+ = :X= 瑙ｅ喅闂:1銆佷竴妗舵补20鍗冨厠,鐢ㄥ幓 ,杩樺墿涓嬪灏戝崈鍏?2銆佷竴妗舵补20鍗冨厠,鐢ㄥ幓涓浜涘悗杩樺墿涓 銆傜敤鍘诲灏戝崈鍏?3銆佷竴妗舵补,鐢ㄥ幓18鍗冨厠鍚,杩樺墿涓 銆傝繖妗舵补澶...
绛旓細2/3梅1/2锛1/4脳2/5 2锛6/13梅9/26锛2/3 2/9锛1/2梅4/5锛3/8 10梅5/9锛1/6脳4 1/2脳2/5锛9/10梅9/20 6 5/9脳3/10锛2/7梅2/5 8/9脳3/4锛3/8梅3/4 3/14 脳 2/3 + 1/6 8脳5/6锛2/5梅4 1/2锛3/4脳5/12脳4/5 5/8...
绛旓細鎬!!!鍥涘垯娣峰悎杩愮畻鐨勭粌涔犻 瑕佹湁鏁存暟灏忔暟鍒嗘暟3/7 脳 49/9 - 4/3 2. 8/9 脳 15/36 + 1/27 3. 12脳 5/6 鈥 2/9 脳3 4. 8脳 5/4 + 1/4 5. 6梅 3/8 鈥 3/8 梅6 6. 4
