问题标题:
小弟初一新生急需150道数学有理数加法.减法.加减混合运算题!例1+2+3+4=3+3+4=6+4=10
问题描述:
小弟初一新生急需150道数学有理数加法.减法.加减混合运算题!
例1+2+3+4
=3+3+4
=6+4
=10
刘利军回答:
1.2100-21×53+2255
2.(103-336÷21)×15
3.800-(2000-9600÷8)
4.40×48-(1472+328)÷5
5.(488+344)÷(202-194)
6.2940÷28+136×7
7.605×(500-494)-1898
8.(2886+6618)÷(400-346)
9.9125-(182+35×22)
10.(154-76)×(38+49)
11.3800-136×9-798
12.(104+246)×(98÷7)
13.918÷9×(108-99)
14.(8645+40×40)÷5
15.(2944+864)÷(113-79)
16.8080-1877+1881÷3
17.(5011-43×85)+3397
18.2300-1122÷(21-15)
19.816÷(4526-251×18)
20.(7353+927)÷(801-792)
21.(28+172)÷(24+16)
22.6240÷48+63×48
23.950-28×6+666
24.86×(35+117÷9)
25.2500+(360-160÷4)
26.16×4+6×3
27.39÷3+48÷6
28.24×4-42÷3
29.7×6-12×3
30.56÷4+72÷8
(1)-8+4÷(-2);(2)6-(-12)÷(-3);
(3)3•(-4)+(-28)÷7;(4)(-7)(-5)-90÷(-15);
102×(-4.5)-(-3)×(-5)÷2
7.8×6.9+2.2×6.9
(-2)+2-(-52)×(-1)×5+87÷(-3)×(-1)
5.6×0.258×(20-1.25)
(-7.1)×〔(-3)×(-5)〕÷2
-2.5×(-4.8)×(0.09)÷(-0.27)
127+352+73+44×(-2)
89×276+(-135)-33
25×71+75÷29-88÷(-2)
243+89+111+57
9405-2940÷28×21
920-1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2100-94+48×54
51+(2304-2042)×23
4215+(4361-716)÷81
(247+18)×27÷25
36-720÷(360÷18)
1080÷(63-54)×80
(528+912)×5-6178
8528÷41×38-904
264+318-8280÷69
(174+209)×26-(9000^0)
814-(278+322)÷15
1406+735×9÷45
3168-7828÷38+504
796-5040÷(630÷7)
285+(3000-372)÷36
1+5/6-19/12
3x(-9)+7x(-9)
(-54)x1/6x(-1/3)
1.18.1+(3-0.299÷0.23)×1
2.(6.8-6.8×0.55)÷8.5
3.0.12×4.8÷0.12×4.84
3.2×1.5+2.5÷(-1.6)
(-2)×3.2×(1.5+2.5)÷1.6
5.6-1.6÷4+(6.8-9)
5.38+7.85-5.37÷89
6.7.2÷0.8-1.2×5
6-1.19×3-0.43
7.6.5×(4.8-1.2×4)
0.68×1.9+0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×(3.87-0.13)
(-8.01)+4.2×3.74
10.32.52-(6+9.728÷3.2)×2.5
11.[(7.1-5.6)×0.9-1.15]÷2.5
12.5.4÷[2.6×(3.7-2.9)+0.62]
13.12×6÷(12-7.2)-6
14.12×6÷7.2-6
15.33.02-(148.4-90.85)÷2.5
(-5)-252×(-78)
(-6)×(-2)+3÷(5+50)
7-7+3-6-(-90)
(-8)(-3)×(-8)×25
(7+13)÷(-616)÷(-28)
(8+14-100-27)÷4
(-15)÷(-1)-101÷10
16÷0.21×(-8)×(4.1+5.9)
(-10)×(-2)×4÷{-9÷[6+(-5.67)]}
(-18)(-4)2×[8.01×(-3.14)
9-32{-890-[79+8.1]×9}
(-20)-23+(-9)×9.42
(-24)3.4×104÷(-5)×200.96
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
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