七年级下册数学计算题及其答案最少100道。 初一年级下册数学计算题100道。带答案和过程 （只要数学计算...
\u4e03\u5e74\u7ea7\u4e0b\u518c\u6570\u5b66\u8ba1\u7b97\u9898100\u90531. 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
http://www.3edu.net/tk/ShowSoft.asp?SoftID=78603
http://www.baidu.com/s?wd=%B3%F5%D2%BB%CA%FD%D1%A7%CC%E2
\u8fd9\u4e0a\u9762\u6709
30.8\u00f7[14\uff0d(9.85\uff0b1.07)]
[60\uff0d(9.5\uff0b28.9)]\u00f70.18
2.881\u00f70.43\uff0d0.24\u00d73.5
20\u00d7[(2.44\uff0d1.8)\u00f70.4\uff0b0.15]
28-(3.4+1.25\u00d72.4)
2.55\u00d77.1+2.45\u00d77.1
777\u00d79+1111\u00d73
0.8\u00d7[15.5-(3.21+5.79)]
\uff0831.8+3.2\u00d74\uff09\u00f75
31.5\u00d74\u00f7(6+3)
0.64\u00d725\u00d77.8+2.2
2\u00f72.5+2.5\u00f72
194\uff0d64.8\u00f71.8\u00d70.9
36.72\u00f74.25\u00d79.9
5180\uff0d705\u00d76
24\u00f72.4\uff0d2.5\u00d70.8
(4121+2389)\u00f77
671\u00d715-974
0.8\u00d7[7.9-(2+5)]
469\u00d712+1492
405\u00d7(3213-3189)
3.416\u00f7\uff080.016\u00d735\uff09
0.8\u00d7[(10\uff0d6.76)\u00f71.2]
1+1
2+2
3+3
=
这个我有！第一章的可以吗 ？ (整式的运算应该是最多的了)
52．(6×108)(7×109)(4×104)．
53．(-5xn+1y)•(-2x)．
54．(-3ab)•(-a2c)•6ab2．
55．(-4a)•(2a2+3a-1)．
58．(3m-n)(m-2n)．
59．(x+2y)(5a+3b)．
60．(-ab)3•(-a2b)•(-a2b4c)2．
61．[(-a)2m]3•a3m+[(-a)5m]2．
62．xn+1(xn-xn-1+x)．
63．(x+y)(x2-xy+y2)．
65．5x(x2+2x+1)-(2x+3)(x-5)．
67．(2x-3)(x+4)．
70．(-2ambn)(-a2bn)(-3ab2)．
74．(m-n)(m5+m4n+m3n2+m2n3+mn4+n5)．
75．(2a2-1)(a-4)(a2+3)(2a-5)．
76．2[(x+2)(x+1)-3]+(x-1)(x-2)-3x(x+3)．
77．(0.3a3b4)2•(-0.2a4b3)3．
78．(-4xy3)•(-xy)+(-3xy2)2．
80．(5a3+2a-a2-3)(2-a+4a2)．
81．(3x4-2x2+x-3)(4x3-x2+5)．
83．(3am+2bn+2)(2am+2am-2bn-2+3bn)．
86．[(-a2b)3]3•(-ab2)．
87．(-2ab2)3•(3a2b-2ab-4b2)．
91．(-2xmyn)3•(-x2yn)•(-3xy2)2．
92．(0.2a-1.5b+1)(0.4a-4b-0.5)．
93．-8(a-b)3•3(b-a)．
94．(x+3y+4)(2x-y)．
96．y[y-3(x-z)]+y[3z-(y-3x)]．
97．计算[(-a)2m]3•a3m+[(-a)3m]3(m为自然数)． (这里写不下了，如果你还需要，就联系我啊！）
你到少也要把题目录上来吧，要很少人会去翻看的！！？？？
绛旓細涓冨勾绾т笅鏁板(涓婃捣鐗)璁＄畻棰樺強绛旀! 涓瀹氳绛旀!!!蹇! 浼氳拷鍔犳偓璧! 瓒婂瓒婂ソ! 鎴戞潵绛 1涓洖绛 #鐑# 鏌垮瓙鑴辨订鏂规硶鏈夊摢浜?椋庨煶4923 2012-08-30 路 TA鑾峰緱瓒呰繃176涓禐 鐭ラ亾绛斾富 鍥炵瓟閲:126 閲囩撼鐜:97% 甯姪鐨勪汉:34.4涓 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 鍏虫敞 灞曞紑鍏ㄩ儴 1.涓鸿妭绾﹁兘婧,鏌愬崟浣嶆寜...
绛旓細1.宸茬粡鐭ラ亾 x+y=3 xy=1锛屾眰x²+y²鐨勫 x²+y²=(x+y)²-2xy=7 2.锛坅+b锛夛紙a²-ab+b²锛=a³+b³3.锛坸-y锛夛紙x²+xy+y²锛=x³-y³4锛坅+b+c锛²=a²+b²+c²+2ab+2bc+2ca 5...
绛旓細涓嬮潰缁欏ぇ瀹跺垎浜竴浜涘叧浜涓冨勾绾т笅鍐屾暟瀛璇曞嵎鍙婂弬鑰绛旀,甯屾湜瀵瑰ぇ瀹舵湁鎵甯姪銆 涓銆侀夋嫨棰(姣忓皬棰4鍒,鍏40鍒) 1.锕4鐨勭粷瀵瑰兼槸() A.B.C.4D.锕4 鑰冪偣:缁濆鍊. 鍒嗘瀽:鏍规嵁涓涓礋鏁扮殑缁濆鍊兼槸瀹冪殑鐩稿弽鏁板嵆鍙眰瑙. 瑙ｇ瓟:瑙:锕4鐨勭粷瀵瑰兼槸4. 鏁呴塁. 鐐硅瘎:姝ら鑰冩煡浜嗙粷瀵瑰肩殑鎬ц川,瑕佹眰鎺屾彙缁濆鍊肩殑鎬ц川...
绛旓細1. 6脳2-x-2=0 瑙ｏ細12-X-2=0锛10-X=0锛屾墍浠=10銆2. (x+5)(x-5)=3 瑙ｏ細X骞虫柟-25锛3锛孹骞虫柟锛28锛屾墍浠锛2鏍瑰彿7 3. x骞虫柟-x=0 瑙ｏ細鑻绛変簬0锛屾柟绋嬫垚绔嬶紱鑻涓嶇瓑浜0锛孹骞虫柟锛漍锛孹锛1銆傛墍浠绛変簬0鎴1銆4. x2-4x+4=0 5. 3x2+1=2x 6. (2x+3)2+5(2x+3)-...
绛旓細鐐硅瘎: 姝ら涓昏鑰冩煡浜嗕竴鍏冧竴娆′笉绛夊紡缁勭殑搴旂敤浠ュ強涓鍏冧竴娆℃柟绋嬪簲鐢,鏍规嵁涓娆″嚱鏁扮殑澧炲噺鎬у緱鍑鸿垂鐢ㄦ渶鐪佹柟妗堟槸瑙ｅ喅闂鐨勫叧閿. 涓冨勾绾т笅鍐屾暟瀛璇曞嵎鍙婄瓟妗鐩稿叧 鏂囩珷 : 鈽 涓冨勾绾鏁板涓嬪唽澶嶄範棰樼瓟妗 鈽 涓冨勾绾ф暟瀛︿笅鍐屾湡鏈瘯鍗烽 鈽 浜烘暀鐗涓冨勾绾т笅鏁板鏈熸湯璇曞嵎 鈽 涓冨勾绾т笅鍐岃嫃绉戠増鏁板鏈熸湯娴嬭瘯鍗 鈽 2020涓...
绛旓細(3a-2b)² - (3a-2b)(3a+2b) = (3a-2b)[(3a-2b) - (3a+2b)] = (3a-2b)(-4b) = 8b²-12ab (2x-1)(2x+1)(4x²-1) = [(2x)² - 1²](4x²-1) = (4x²-1)(4x²-1) = (4x²-1)² = 16x^4 - 8x&#...
绛旓細锛1锛7(2x-1)-3(4x-1)=4(3x+2)-1; 锛2锛 (5y+1)+ (1-y)= (9y+1)+ (1-3y); 锛3锛塠 (1/4x-3)-4 ]=x+2; 锛4锛20%+(1-20%)(320-x)=320脳40% 锛5锛2(x-2)+2=x+1 锛6锛2(x-2)-3(4x-1)=9(1-x) 锛7锛11x+64-2x=100-9x 锛8锛15-...
绛旓細涓冨勾绾т笅瀛︽湡鏁板棰锛堜汉鏁欑増锛夊杈瑰舰鐨勫唴瑙掑拰锛1.宸茬煡涓や釜澶氳竟褰㈢殑鎵鏈夊唴瑙掔浉鍔犲拰涓1800掳锛屼笖涓や釜澶氳竟褰㈢殑杈规暟姣斾负2:5锛屽垎鍒眰杩欎袱涓杈瑰舰鐨勮竟鏁般2.灏忕帀鍚屽鍦ㄨ繘琛屽杈瑰舰鍐呰鍜岀殑璁＄畻鏃讹紝姹備竴涓杈瑰舰鐨勫唴瑙掑拰涓1350掳锛屽綋鍙戠幇閿欎簡涔嬪悗锛岄噸鏂版鏌ワ紝鍙戠幇鍘熸潵澶氫簡涓涓瑙掞紝浣犵煡閬撳ス澶氬姞鐨勮繖涓瑙...
绛旓細-1. 瑙ｉ杩囩▼:鍒嗘瘝鐩哥瓑.涓よ呯浉鍔犲緱y-x/x-y.鍒嗘瘝鍒嗘暟浜掍负鐩稿弽鏁.涓よ呯浉闄よВ寰-1 鎴戜滑鍚屽瞾鍛(*^__^*) 鍢诲樆鈥︹︽湁闂Hi鎴戞妸,
绛旓細瑙ｏ細 1 鍥犱负 4x²+bx+36 鏄竴涓畬鍏ㄥ钩鏂瑰紡 鍘熷紡=(2x)²+bx+6²=(2x)²+(-)2*2x*6+6²=(2x)²+(-)24x+6²鎵浠 b=+24 鎴-24 2 a²锛坸-2a锛³-a锛2a-x锛²鍘熷紡=a²锛坸-2a锛³+a锛坸-2a)²=a...
