誰有初一下期数学计算题200道过程及答案 初一数学计算题200道带答案带过程

\u521d\u4e00\u6570\u5b66\u4e0b\u518c\u8ba1\u7b97\u9898200\u9053\u8981\u7b54\u6848\u53ca\u8fc7\u7a0b

X^2-X-6=0
2X^2-3X-2=0
-3X^2+6X=2
4X^2-4X+1=0
X^2-2X+3=0
-X^2-2X+8=0
X^2-X-2=4
2X^2-3X+1=0
-3X^2+4X+4=0
4X^2-11X-3=3
x^2-2x-3=0
4x^2-1=0
5x^2-3x+2=0
-x^2-2x+8=0
-2x2+x+3=0
2x^2+3x-9=0
x^2-9=0
4x^2-10x-6=0
5x^2-8x-4=0
3x^2+4x-4=0
6x^2+7x-5=0
x^2-8x+12=0
2x^2-6x+3=0
2x^2+9x-5=0
3x^2-16x+5=0
2x^2-11x+5=0
4x^2-16x+7=0
10x^2-9x-7=0
2x^2-13x-7=0
2x^2-3x-2=0
-2x^2+3x-1=0
2x^2-17x-9=0
2x^2-x-6=0
12x^2+16x-3=0
6x^2-13x+2=0
3x^2-7x+2=0
5x^2-11x+2=0
2x^2-9x+9=0
2x^2+3x-9=0
x^2+2x-3=0
x^2-6x+5=0
x^2-3x+2=0
x^2-12x+32=0
x^2+6x-16=0
3x^2-12x-15=0
2x^2-11x-21=0
\u65b9\u7a0b\u7684.
1\uff0cx-y=2
xy=15 (x=5,y=3)
2,x+y=6
x-y=2 (4,2)
3,x+y=11,xy=30 (x=5,y=6,x=6,y=5)
4,x+y=13,xy=42 (x=6,7,y=7,6)
5,x+y=11,x-y=1 (x=6,y=5)
6,x+y=12,xy=35 (x=5,7,y=7,5)
7,x+y=5,xy=6 (x=2,3,y=3,2)
8,x-y=5,xy=36 (x=6,y=1)
9,x+y=10,xy=25 (x=y=5)
10,x+y=17,y-x=1 (x=8,y=9)
11,xy=2,x-y=1 (x=2,y=1)
12,x+y=3,xy=2 (x=1,2,y=2,1)
13,x+y=12,xy=11 (x=1,11,y=11,1)
14,x-y=8,xy=9 (x=9,y=1)
15,x+y=4,x-y=2 (x=3,y=1)
16,x+y=3,xy=0 (x=0,3,y=3,0)
17,x-y=5,xy=6 (x=6,y=1)
18,y-x=3,xy=28 (x=4,y=7)
19,y-x=2,xy=24 (x=4,y=6)
20,x+y=9,x-y=1, (x=5,y=4)
21. 66x+17y=3967 25x+y=1200 \u7b54\u6848\uff1ax=48 y=47
22. 18x+23y=2303 74x-y=1998 \u7b54\u6848\uff1ax=27 y=79
23. 44x+90y=7796 44x+y=3476 \u7b54\u6848\uff1ax=79 y=48
(4) 76x-66y=4082 30x-y=2940 \u7b54\u6848\uff1ax=98 y=51
(5) 67x+54y=8546 71x-y=5680 \u7b54\u6848\uff1ax=80 y=59
\u5316\u7b80\u6c42\u503c
^\u4ee3\u8868\u5e73\u65b9 1.\u5df2\u77e5|a+3|+(b-1)^=0,\u6c423a^-2ab+b^\u7684\u503c\u3002
2.\u5df2\u77e5\uff08a-1)^+4(b+2)+|c+1|=0,\u6c42(a^-ac+c^)-2(a^+bc-2c^)\u7684\u503c\u3002
3.\uff083x^-2y^-3xy)-(2x^-3y^+xy),\u5176\u4e2dx^+y^=2,xy=-1.
4.(-a^-ab+b^)-(-a^+2ab+b^),\u5176\u4e2da=-1/15,b=10.
5.\u5df2\u77e5\uff1a|a+1/2|+(b-3)^=0,\u6c42\u4ee3\u6570\u5f0f[(2a+b)^+(2a+b)(b-2a)-6b]\(2b)\u7684\u503c\u3002 6.10a(5\u4e58\u4ee5a\u7684\u5e73\u65b9-b)-2a(5b+25\u4e58\u4ee5a\u7684\u5e73\u65b9\uff09\uff0d3ab,\u5176\u4e2da=1,b=1/23. 7.1/3x^3-2x^2+2/3x^3+3x^2+5x-4x+7,(x=2) \u5148\u5316\u7b80,\u518d\u6c42\u503c.
8.5abc-{2a²b[3abc-(4ab²-a²b)]-2ab²}\u5176\u4e2da=-2,b=3,c=-1/4.
9.\u5df2\u77e5a²+a-1=0,\u6c42\u4ee3\u6570\u5f0fa³+2a²+5\u7684\u503c.
10.(a+2)\u7684\u4e8c\u6b21\u65b9-(a-1)(a+1),\u5176\u4e2da\uff1d3\uff0e25 \u5148\u5316\u7b80\u518d\u6c42\u503c
11.\uff08X-1)\u7684\u4e8c\u6b21\u65b9+(x+3)(x-3)+(x-3)(x-1),\u5176\u4e2dX\u7684\u4e8c\u6b21\u65b9-2x=2
12.\u5df2\u77e5:a+b=12,a\u7684\u5e73\u65b9+b\u7684\u5e73\u65b9=74 \u6c42ab\u7684\u503c
13.\u5148\u5316\u7b80,\u518d\u6c42\u503c (4x-3y)\u7684\u5e73\u65b9-(3x-2y)(3x+2y),\u5176\u4e2dx=2,y=1
14.\u5316\u7b80\u6c42\u503c\uff1a\uff081 + a - 5a\uff09-\uff08- a +2a \uff09\uff0c\u5176\u4e2da= - 3
15.\u5df2\u77e53\u5206\u4e4ba=4\u5206\u4e4bb=5\u5206\u4e4bc\uff0c\u6c42\u4ee3\u6570\u5f0f2b-a\u5206\u4e4b2a+b+c\u7684\u503c
16.\uff08x\uff0d3\uff092\uff0b|y\uff0b2|=0\u5219yx\u7684\u503c\u4e3a\uff08 \uff09
17.\u8bbea,b,c\u4e3a\u6709\u7406\u6570,\u4e14|a|+a=0,|ab|=ab,|c|-c=0 \u6c42\u5f0f\u5b50|b|-|a+b|-|c-b|+|a-c|\u7684\u503c
18.9x+6x^2-3(x-2/3x^2),\u5176\u4e2dx=-2 9x+6x^2-3x+11/3x^2=6x+29/3x^2=6*(-2)+29/3*(-2)=-12-58/3=-94/3
19.1/4(-4x^2+2x-8)-(1/2x-1),\u5176\u4e2dx=1/2 -x^2+1/2x-2-1/2x+1=-1/2^2+1/4-2-1/4+1=1/4-1=-3/4
20.(5a^2-3b^2)+(a^2+b^2)-(5a^2+3b^2),\u5176\u4e2da=-1,b=1 5a^2-3b^2+a^2+b^2-5a^2-3b^2=5-3+1+1-5-3=-6+2=-4
21.2(a^2b+ab^2)-2(a^2b-1)-2ab^2-2,\u5176\u4e2da=-2,b=2 2a^2*2b+2ab^2-2a^2*2b*2-2ab^2-2=8*4-4*4-2=-18
\u8fc7\u7a0b\u592a\u96be\u6253\u4e86\uff0c\u9009\u6211\u5427

1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -（ 3/2 + 4/5 ） 8. 7/8 + （ 1/8 + 1/9 ） 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 0.12χ＋1.8×0.9=7.2 (9－5χ)×0.3=1.02 6.4χ-χ=28+4.4 11. 7 × 5/49 + 3/14 12. 6 ×（ 1/2 + 2/3 ） 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - （ 2/7 – 10/21 ） 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 ×× 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 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 31.50＋160÷40 （58+370）÷（64-45） 32.120-144÷18+35 33.347+45×2-4160÷52 34（58+37）÷（64-9×5） 35.95÷（64-45） 36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷（9+31×11） （136+64）×（65-345÷23） 38.85+14×（14+208÷26） 39.（284+16）×（512-8208÷18） 40.120-36×4÷18+35 41.（58+37）÷（64-9×5） 42.(6.8-6.8×0.55)÷8.5 43.0.12× 4.8÷0.12×4.8 44.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×（4.8-1.2×4）= 0.68×1.9+0.32×1.9 48.10.15-10.75×0.4-5.7 49.5.8×（3.87-0.13）+4.2×3.74 50.32.52-（6+9.728÷3.2）×2.5 51.-5+58+13+90+78-(-56)+50 52.-7*2-57/(3 53.(-7)*2/(1/3)+79/(3+6/4） 54.123+456+789+98/(-4) 55.369/33-(-54-31/15.5) 56.39+{3x[42/2x(3x8)]} 57.9x8x7/5x(4+6) 58.11x22/(4+12/2) 59.94+(-60)/10 (1)23+(-73) (2)(-84)+(-49) (3)7+(-2.04) (4)4.23+(-7.57) (5)(-7/3)+(-7/6) (6)9/4+(-3/2) (7)3.75+(2.25)+5/4 (8)-3.75+(+5/4)+(-1.5) (9)(-17/4)+(-10/3)+(+13/3)+(11/3) (10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4) (11)(+1.3)- (+17/7) (12)(-2)- (+2/3) (13)| (-7.2)-(-6.3)+(1.1)| (14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|) (15)(-2/199)*(-7/6-3/2+8/3) (16)4a)*(-3b)*(5c)*1/6 1)23+(-73) (2)(-84)+(-49) (3)7+(-2.04) (4)4.23+(-7.57) (5)(-7/3)+(-7/6) (6)9/4+(-3/2) (7)3.75+(2.25)+5/4 (8)-3.75+(+5/4)+(-1.5) (9)(-17/4)+(-10/3)+(+13/3)+(11/3) (10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4) (11)(+1.3)-(+17/7) (12)(-2)-(+2/3) (13)|(-7.2)-(-6.3)+(1.1)| (14)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|) (15)(-2/199)*(-7/6-3/2+8/3) (16)4a)*(-3b)*(5c)*1/6 还有50道题，不过没有答案 1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -（ 3/2 + 4/5 ） 8. 7/8 + （ 1/8 + 1/9 ） 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 0.12χ＋1.8×0.9=7.2 (9－5χ)×0.3=1.02 6.4χ-χ=28+4.4 11. 7 × 5/49 + 3/14 12. 6 ×（ 1/2 + 2/3 ） 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - （ 2/7 – 10/21 ） 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 ×× 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 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 31.50＋160÷40 （58+370）÷（64-45） 32.120-144÷18+35 33.347+45×2-4160÷52 34（58+37）÷（64-9×5） 35.95÷（64-45） 36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷（9+31×11） （136+64）×（65-345÷23） 38.85+14×（14+208÷26） 39.（284+16）×（512-8208÷18） 40.120-36×4÷18+35 41.（58+37）÷（64-9×5） 42.(6.8-6.8×0.55)÷8.5 43.0.12× 4.8÷0.12×4.8 44.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×（4.8-1.2×4）= 0.68×1.9+0.32×1.9 48.10.15-10.75×0.4-5.7 49.5.8×（3.87-0.13）+4.2×3.74 50.32.52-（6+9.728÷3.2）×2.5 51.-5+58+13+90+78-(-56)+50 52.-7*2-57/(3 53.(-7)*2/(1/3)+79/(3+6/4） 54.123+456+789+98/(-4) 55.369/33-(-54-31/15.5) 56.39+{3x[42/2x(3x8)]} 57.9x8x7/5x(4+6) 58.11x22/(4+12/2) 59.94+(-60)/10 1. a^3-2b^3+ab(2a-b) =a^3+2a^2b-2b^3-ab^2 =a^2(a+2b)-b^2(2b+a) =(a+2b)(a^2-b^2) =(a+2b)(a+b)(a-b) 2. (x^2+y^2)^2-4y(x^2+y^2)+4y^2 =(x^2+y^2-2y)^2 3. (x^2+2x)^2+3(x^2+2x)+x^2+2x+3 =(x^2+2x)^2+4(x^2+2x)+3 =(x^2+2x+3)(x^2+2x+1) =(x^2+2x+3)(x+1)^2 4. (a+1)(a+2)+(2a+1)(a-2)-12 =a^2+3a+2+2a^2-3a-2-12 =3a^2-12 =3(a+2)(a-2) 5. x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2 =[x(y+z)-y(x-z)]^2 =(xz+yz)^2 =z^2(x+y)^2 6. 3(a+2)^2+28(a+2)-20 =[3(a+2)-2][(a+2)+10] =(3a+4)(a+12) 7. (a+b)^2-(b-c)^2+a^2-c^2 =(a+b)^2-c^2+a^2-(b-c)^2 =(a+b+c)(a+b-c)+(a+b-c)(a-b+c) =(a+b-c)(a+b+c+a-b+c) =2(a+b-c)(a+c) 8. x(x+1)(x^2+x-1)-2 =(x^2+x)(x^2+x-1)-2 =(x^2+x)^2-(x^2+x)-2 =(x^2+x-2)(x^2+x+1) =(x+2)(x-1)(x^2+x+1) 9x^2(x-1)^2-3(x^2-x)-56 =9x^2(x-1)^2-3x(x-1)-56 =[3x(x-1)-8][3x(x-1)+7] =(3x^2-3x-8)(3x^2-3x+7)

瑾版湁鍒濅竴涓嬫湡鏁板璁＄畻棰200閬杩囩▼鍙婄瓟妗
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...

鏁板鍒濅竴璁＄畻棰樼洰澶у叏鍒濅腑鍒濅竴鏁板璁＄畻棰
绛旓細鍏充簬鏁板鍒濅竴璁＄畻棰樼洰澶у叏锛鍒濅腑鍒濅竴鏁板璁＄畻棰杩欎釜寰堝浜鸿繕涓嶇煡閬擄紝浠婂ぉ鏉ヤ负澶у瑙ｇ瓟浠ヤ笂鐨勯棶棰橈紝鐜板湪璁╂垜浠竴璧锋潵鐪嬬湅鍚э紒1銆-15+6梅(-3)脳1/22銆(1/4-1/2+1/6)脳24 3銆亅-5/14|脳(-3/7)2梅3/144銆2/3+(-1/5)-1+1/3 5銆3.75+(2.25)+5/4 6銆-3.75+(+5/4)+(-1....

銆愬垵涓暟瀛︺戜汉鏁欑増鍒濅竴涓冨勾绾т笅鍐屾暟瀛﹁绠楅鍚堥泦
绛旓細娆㈣繋鏉ュ埌鐭ヨ瘑鐨勬捣娲嬶紝璁╂垜浠竴璧锋帰绱愬垵涓暟瀛︺戠殑濂ョ锛 浠婂ぉ锛屾垜绮惧績鏁寸悊浜嗕竴濂椾汉鏁欑増鍒濅竴涓冨勾绾т笅鍐鐨鏁板璁＄畻棰鍚堥泦锛屼笓涓哄垵瀛﹁呰璁★紝鏃ㄥ湪甯姪浣犲珐鍥哄熀纭鐭ヨ瘑锛屾彁鍗囪В棰樻妧宸с傝繖浠藉疂钘忛泦鍚堬紝涓嶄粎涓板瘜澶氭牱锛屾洿鏄綘鏁板瀛︿範鏃呯▼涓殑寰楀姏鍔╂墜锛屼笉瀹归敊杩囷紒 绡囧箙铏介暱锛屼絾鍐呭涓板瘜锛屾瘡涓棰橀兘绮惧績鎸戦夛紝...

涓冨勾绾т笅鍐屾暟瀛﹁绠楅100閬
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 + 5/6 10.3/4 脳 8/9...

姹400閬鍒濅竴涓鐨勬湁鐞嗘暟璁＄畻棰
绛旓細2.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)4. 3/7 脳 49/9 - 4/3 5. 8/9 脳 15/36 + 1/27 6. 12脳 5/6 鈥 2/9 脳3 7. 8脳 5/4 + 1/4 8. 6梅 3/8 鈥 3/8 梅6 9. 4/7 脳 5/9 + 3/7 脳 5/9 10. 5/2 -锛 3/2 + 4/5 锛11. ...

涓涓嬫暟瀛﹁绠楅400閬
绛旓細1)66x+17y=396725x+y=1200绛旀锛歺=48y=47(2)18x+23y=230374x-y=1998绛旀锛歺=27y=79(3)44x+90y=779644x+y=3476绛旀锛歺=79y=48(4)76x-66y=408230x-y=2940绛旀锛歺=98y=51(5)67x+54y=854671x-y=5680绛旀锛歺=80y=59(6)42x-95y=-141021x-y=1575绛旀锛歺=75y=48(7)47x...

鍒濅竴鏁板涓嬪唽璁＄畻棰200閬瑕佺瓟妗堝強杩囩▼
绛旓細X^2-X-6=0 2X^2-3X-2=0 -3X^2+6X=2 4X^2-4X+1=0 X^2-2X+3=0 -X^2-2X+8=0 X^2-X-2=4 2X^2-3X+1=0 -3X^2+4X+4=0 4X^2-11X-3=3 x^2-2x-3=0 4x^2-1=0 5x^2-3x+2=0 -x^2-2x+8=0 -2x2+x+3=0 2x^2+3x-9=0 x^2-9=0 4x^2-10x-6=0...

涓冨勾绾т笅鍐屾暟瀛﹁绠楅100閬
绛旓細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 + 5/6 10. 3/4 脳 8/9 - 1/3 0.12蠂锛1.8脳0.9=7.2 (9锛5...

姹傚垵涓鏁板璁＄畻棰200閬(鏁村紡銆佷笉绛夊紡(缁)銆佸垎寮忋佸垎寮忔柟绋嬨佷簩娆℃牴寮...
绛旓細50锛160梅40 锛58+370锛壝凤紙64-45锛120-144梅18+35 347+45脳2-4160梅52 锛58+37锛壝凤紙64-9脳5锛95梅锛64-45锛178-145梅5脳6+42 420+580-64脳21梅28 812-700梅锛9+31脳11锛夛紙136+64锛壝楋紙65-345梅23锛85+14脳锛14+208梅26锛夛紙284+16锛壝楋紙512-8208梅18锛120-36脳4梅18+...

璋鑳藉憡璇夋垜鍒濅竴鏁板鐨勯鐩(500閬),棰樼洰鍙夎В鏂圭▼銆佺瓑寮忋佹枃瀛楅鎴璁＄畻...
绛旓細浠ュ垎鏁拌劚寮璁＄畻棰涓轰簡锛屽叿浣撳涓锛1銆3/7 脳 49/9 - 4/3 2銆8/9 脳 15/36 + 1/27 3銆12脳 5/6 鈥 2/9 脳3 4銆8脳 5/4 + 1/4 5銆6梅 3/8 鈥 3/8 梅6 6銆4/7 脳 5/9 + 3/7 脳 5/9 7銆5/2 -锛 3/2 + 4/5 锛8銆7/8 + 锛 1/8 + 1/9 锛9銆...

扩展阅读：初一下册数学免费题库 ... 初一下册数学必刷题 ... 初一数学必练100题 ... 初一下册计算题大全 ... 初二数学题库大全免费 ... 2023一2024期末测试卷 ... 初一下册数学必考重点 ... 初一数学题大全 ... 初一下册计算题100道 ...