6年级加减乘除混合运算 小学六年级数学加减乘除混合运算70道、跪求、紧急
\u65b0\u7684\u516d\u5e74\u7ea7\u52a0\u51cf\u4e58\u9664\u6df7\u5408\u8fd0\u7b9750\u9053\u548c\u89e3\u65b9\u7a0b30\u9053\u53ef\u4ee5\u7ed9\u4f60\u53d1\uff0c\u5c31\u662f\u592a\u591a\u4e86\u3002
1. 3/7 \u00d7 49/9 - 4/3
2. 8/9 \u00d7 15/36 + 1/27
3. 12\u00d7 5/6 \u2013 2/9 \u00d73
4. 8\u00d7 5/4 + 1/4
5. 6\u00f7 3/8 \u2013 3/8 \u00f76
6. 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
7. 5/2 -\uff08 3/2 + 4/5 \uff09
8. 7/8 + \uff08 1/8 + 1/9 \uff09
9. 9 \u00d7 5/6 + 5/6
10. 3/4 \u00d7 8/9 - 1/3
0.12\u03c7\uff0b1.8\u00d70.9=7.2 (9\uff0d5\u03c7)\u00d70.3=1.02 6.4\u03c7-\u03c7=28+4.4
11. 7 \u00d7 5/49 + 3/14
12. 6 \u00d7\uff08 1/2 + 2/3 \uff09
13. 8 \u00d7 4/5 + 8 \u00d7 11/5
14. 31 \u00d7 5/6 \u2013 5/6
15. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
16. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
17. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
18. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
19. 17/32 \u2013 3/4 \u00d7 9/24
20. 3 \u00d7 2/9 + 1/3
21. 5/7 \u00d7 3/25 + 3/7
22. 3/14 \u00d7\u00d7 2/3 + 1/6
23. 1/5 \u00d7 2/3 + 5/6
24. 9/22 + 1/11 \u00f7 1/2
25. 5/3 \u00d7 11/5 + 4/3
26. 45 \u00d7 2/3 + 1/3 \u00d7 15
27. 7/19 + 12/19 \u00d7 5/6
28. 1/4 + 3/4 \u00f7 2/3
29. 8/7 \u00d7 21/16 + 1/2
30. 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
31.50\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
32.120-144\u00f718+35
33.347+45\u00d72-4160\u00f752
34\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
35.95\u00f7\uff0864-45\uff09
36.178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
37.812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09
38.85+14\u00d7\uff0814+208\u00f726\uff09
39.\uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
40.120-36\u00d74\u00f718+35
41.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
42.(6.8-6.8\u00d70.55)\u00f78.5
43.0.12\u00d7 4.8\u00f70.12\u00d74.8
44.\uff083.2\u00d71.5+2.5\uff09\u00f71.6 \uff082\uff093.2\u00d7\uff081.5+2.5\uff09\u00f71.6
45.6-1.6\u00f74= 5.38+7.85-5.37=
46.7.2\u00f70.8-1.2\u00d75= 6-1.19\u00d73-0.43=
47.6.5\u00d7\uff084.8-1.2\u00d74\uff09= 0.68\u00d71.9+0.32\u00d71.9
48.10.15-10.75\u00d70.4-5.7
49.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
50.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5
解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行
解题过程:
82+183-29
=265-29
=236
扩展资料(竖式计算-计算结果):将减数与被减数个位对齐,再分别与对应计数单位上的数相减,不够减的需向高位借1,依次计算可以得出结果,减数小于被减数将两数调换相减最后结果加个负号；小数部分相减可参照整数相减步骤；
解题过程:
步骤一:15-9=6 向高位借1
步骤二:6-2-1=3
步骤三:2-0=2
根据以上计算步骤组合计算结果为236
存疑请追问,满意请采纳
绛旓細(1)11脳76+69脳60= (2)70-13+95-8= (3)99脳83-91梅46= (4)6+97+83梅22= (5)37梅54-30脳46= (6)98-62-71-70= (7)24梅31脳28梅31= (8)50+18梅63脳8= (9)70梅77梅9梅68= (10)11+88+85+70= (11)20梅6+9梅49= (12)99-28+14梅6= (13)75脳99-95-7= (...
绛旓細1 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 脳 5/6 ...
绛旓細杩欓亾棰樼洰娑夊強鍔犲噺涔橀櫎娣峰悎杩愮畻銆傛垜浠渶瑕佹寜鐓ф暟瀛︾殑杩愮畻椤哄簭鏉ヨ繘琛岃绠椼傚叿浣撴楠ゅ涓嬶細棣栧厛杩涜鎷彿鍐呯殑鍔犳硶杩愮畻锛屽嵆璁＄畻5鍔3鐨勭粨鏋滐紝寰楀埌8銆傛帴鐫杩涜涔樻硶杩愮畻锛屽皢涓婁竴姝ョ殑缁撴灉涔樹互7锛屽緱鍒56銆傜劧鍚庤繘琛屽噺娉曡繍绠楋紝鐢ㄤ箻娉曠粨鏋滃噺鍘绘暟瀛2锛屽緱鍒扮殑缁撴灉鏄54銆傛渶鍚庤繘琛岄櫎娉曡繍绠楋紝鐢ㄥ噺娉曠粨鏋滈櫎浠ユ暟瀛4锛屽緱鍒版渶缁堢瓟妗...
绛旓細6梅 3/8 鈥 3/8 梅6 4/7 脳 5/9 + 3/7 脳 5/9 5/2 -锛 3/2 + 4/5 锛7/8 + 锛 1/8 + 1/9 锛9 脳 5/6 + 5/6 3/4 脳 8/9 - 1/3 7 脳 5/49 + 3/14 6 脳锛 1/2 + 2/3 锛8 脳 4/5 + 8 脳 11/5 31 脳 5/6 鈥 5/6 9/7 - 锛 2/7...
绛旓細9 脳 5/6 + 5/6 3/4 脳 8/9 - 1/3 7 脳 5/49 + 3/14 6 脳锛 1/2 + 2/3 锛8 脳 4/5 + 8 脳 11/5 31 脳 5/6 鈥 5/6 9/7 - 锛 2/7 鈥 10/21 锛5/9 脳 18 鈥 14 脳 2/7 4/5 脳 25/16 + 2/3 脳 3/4 14 脳 8/7 鈥 5/6 脳 12/15 17/...
绛旓細2/7脳(2/11+6/11+3/11)=2/7脳1=2/7
绛旓細6骞寸骇鍔犲噺涔橀櫎娣峰悎杩愮畻渚嬪瓙瑙ｆ瀽82+183-29 瑙ｉ鎬濊矾:鍥涘垯杩愮畻瑙勫垯(鎸夐『搴忚绠,鍏堢畻涔橀櫎鍚庣畻鍔犲噺,鏈夋嫭鍙峰厛绠楁嫭鍙,鏈変箻鏂瑰厛绠椾箻鏂)鍗宠劚寮忚繍绠(閫掔瓑寮忚绠)闇鍦ㄨ鍘熷垯鍓嶆彁涓嬭繘琛 瑙ｉ杩囩▼:82+183-29 =265-29 =236
绛旓細44 =6.28 842-756/18 1.3*3.14+3.5 18.84/(2*3.14) 28.26*(10+12)/2 40*(1+25%)=842-42 =5.2=3.5 =18.84/6.28 =28.26*22/2 =40/125%=800 =8.7
绛旓細6.16脳32.71= 68.49脳93.05= 72.14脳35.65= 46.93脳60.30= 2.23梅88.98= 94.47梅97.45= 71.70脳19.07= 28.90脳63.80= 92.86脳73.37= 28.69梅49.45= 3.31脳10.05= 74.22梅7.07= 19.57梅91.69= 74.90脳77.18= 44.94梅75.06= 32.56脳43.98= 66.34脳71....
绛旓細1銆佷竴鑸儏鍐典笅锛鍥涘垯杩愮畻鐨勮绠楅『搴忔槸锛氭湁鎷彿鏃讹紝鍏堢畻鎷彿閲岄潰鐨勩傚彧鏈夊悓涓绾ц繍绠楁椂锛屼粠宸﹀線鍙炽傚惈鏈変袱绾ц繍绠楋紝鍏堢畻涔橀櫎鍚庣畻鍔犲噺銆2銆佺敱浜庢湁鐨勮绠楅鍏锋湁瀹冭嚜韬殑鐗瑰緛锛岃繖鏃惰繍鐢ㄨ繍绠楀畾寰嬶紝鍙互浣胯绠楄繃绋嬬畝鍗曪紝鍚屾椂鍙堜笉瀹规槗鍑洪敊銆傚姞娉曚氦鎹㈠緥锛歛+b=b+a 涔樻硶浜ゆ崲寰嬶細a脳b=b脳a 鍔犳硶缁撳悎寰嬶細锛坅+...
