1樓:天黑前の夏天
(一)計算題:
(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|)
(一)計算題:
(1)(-4)(+6)(-7)
(2)(-27)(-25)(-3)(-4)
(3)0.001*(-0.1)*(1.1)
(4)24*(-5/4)*(-12/15)*(-0.12)
(5)(-3/2)(-4/3)(-5/4)(-6/5)(-7/6)(-8/7)
(6)(-24/7)(11/8+7/3-3.75)*24
(二)用簡便方法計算:
(1)(-71/8)*(-23)-23*(-73/8)
(2)(-7/15)*(-18)*(-45/14)
(3)(-2.2)*(+1.5)*(-7/11)*(-2/7)
(三)當a=-4,b=-3,c=-2,d=-1時,求代數式(ab+cd)(ab-cd)的值.
(四)已知1+2+3+......+31+32+33=17*33,計算下式
1-3+2-6+3-9-12+...+31-93+32-96+33-99的值
2樓:惠芮欣
你是誰啊??。你們老師要的嗎?,我也在找 你錯了5題??
3樓:匿名使用者
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
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
求七年級有理數加,減,乘,除,乘方五則混合運算計算題,要難一點的,越多越好,只要計算題。謝謝~
4樓:匿名使用者
有理數的加減混合運算
(1) (-9)-(-13)+(-20)+(-2)(2) 3+13-(-7)/6
(3) (-2)-8-14-13
(4) (-7)×
62616964757a686964616fe58685e5aeb931333264653962(-1)/7+8
(5) (-11)×4-(-18)/18
(6) 4+(-11)-1/(-3)
(7) (-17)-6-16/(-18)
(8) 5/7+(-1)-(-8)
(9) (-1)×(-1)+15+1
(10) 3-(-5)×3/(-15)
(11) 6×(-14)-(-14)+(-13)(12) (-15)×(-13)-(-17)-(-4)(13) (-20)/13/(-7)+11(14) 8+(-1)/7+(-4)
(15) (-13)-(-9)×16×(-12)(16) (-1)+4×19+(-2)
(17) (-17)×(-9)-20+(-6)(18) (-5)/12-(-16)×(-15)(19) (-3)-13×(-5)×13
(20) 5+(-7)+17-10
(21) (-10)-(-16)-13×(-16)(22) (-14)+4-19-12
(23) 5×13/14/(-10)
(24) 3×1×17/(-10)
(25) 6+(-12)+15-(-15)(26) 15/9/13+(-7)
(27) 2/(-10)×1-(-8)
(28) 11/(-19)+(-14)-5(29) 19-16+18/(-11)
(30) (-1)/19+(-5)+1
(31) (-5)+19/10×(-5)
(32) 11/(-17)×(-13)×12(33) (-8)+(-10)/8×17
(34) 7-(-12)/(-1)+(-12)(35) 12+12-19+20
(36) (-13)×(-11)×20+(-4)(37) 17/(-2)-2×(-19)
(38) 1-12×(-16)+(-9)
(39) 13×(-14)-15/20
(40) (-15)×(-13)-6/(-9)(41) 15×(-1)/12+7
(42) (-13)+(-16)+(-14)-(-6)(43) 14×12×(-20)×(-13)(44) 17-9-20+(-10)
(45) 12/(-14)+(-14)+(-2)(46) (-15)-12/(-17)-(-3)(47) 6-3/9/(-8)
(48) (-20)×(-15)×10×(-4)(49) 7/(-2)×(-3)/(-14)(50) 13/2×18×(-7)
(51) 13×5+6+3
(52) (-15)/5/3+(-20)
(53) 19×4+17-4
(54) (-11)-(-6)×(-4)×(-9)(55) (-16)+16-(-8)×(-13)(56) 16/(-1)/(-10)/(-20)(57) (-1)-(-9)-9/(-19)(58) 13×20×(-13)×4
(59) 11×(-6)-3+18
(60) (-20)+(-12)+(-1)+(-12)(61) (-19)-3×(-13)×4
(62) (-13)/3-5×8
(63) (-15)/1+17×(-18)(64) (-13)/3/19/8
(65) (-3)/(-13)/20×5
(66) 3/12/(-18)-18
(67) 5×(-19)/13+(-6)
(68) 4+4×(-19)-11
(69) (-2)+17-5+(-1)
(70) 9+(-3)×19×(-19)
(71) (-12)-(-6)+17/2
(72) 15×(-5)-(-3)/5
(73) (-10)×2/(-1)/4
(74) (-8)×16/(-6)+4
(75) 2-11+12+10
(76) (-3)+(-20)×(-7)×(-9)(77) (-15)+8-17/7
(78) (-14)×10+18×2
(79) (-7)+2-(-17)×19
(80) (-7)/18/1+1
(81) 11/(-9)-(-16)/17(82) 15+5×6-(-8)
(83) (-13)×(-18)+18/(-6)(84) 11-(-1)/11×(-6)
(85) (-4)+(-12)+19/6
(86) (-18)/(-1)/(-19)+2(87) 9×(-8)×(-6)/11
(88) 20×(-3)×(-5)+1
(89) (-18)-2+(-11)/20(90) 15×1+4×17
(91) 1-10+(-14)/(-1)
(92) 10+(-4)×(-19)+(-12)(93) 15/14/5×7
(94) 8+(-13)/3+1
(95) (-14)+6+(-2)×(-14)(96) (-5)/(-13)/4+7
(97) (-15)/(-2)/(-12)+(-2)(98) (-17)-(-20)-20×(-10)(99) (-7)-10-13/3
(100) (-20)+(-18)+11+9答案:
1 -18
2 103/6
3 -37
4 95 -43
6 -(20/3)
7 -(199/9)
8 54/7
9 17
10 2
11 -83
12 216
13 1021/91
14 27/7
15 -1741
16 73
17 127
18 -(2885/12)
19 842
20 5
21 214
22 -41
23 -(13/28)
24 -(51/10)
25 24
26 -(268/39)
27 39/5
28 -(372/19)
29 15/11
30 -(77/19)
31 -(29/2)
32 1716/17
33 -(117/4)
34 -17
35 25
36 2856
37 59/2
38 184
39 -(731/4)
40 587/3
41 23/4
42 -37
43 43680
44 -22
45 -(118/7)
46 -(192/17)
47 145/24
48 -12000
49 -(3/4)
50 -819
51 74
52 -21
53 89
54 205
55 -104
56 -(2/25)
57 161/19
58 -13520
59 -51
60 -45
61 137
62 -(133/3)
63 -321
64 -(13/456)
65 3/52
66 -(1297/72)
67 -(173/13)
68 -83
69 9
70 1092
71 5/2
72 -(372/5)
73 5
74 76/3
75 13
76 -1263
77 -(66/7)
78 -104
79 318
80 11/18
81 -(43/153)
82 53
83 231
84 115/11
85 -(77/6)
86 20/19
87 432/11
88 301
89 -(411/20)
90 83
91 5
92 74
93 3/2
94 14/3
95 20
96 369/52
97 -(21/8)
98 203
99 -(64/3)
100 -18
"/"是除號!!!
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