关键是了解各种符号都是什么意思,都熟悉了就好了呗!
下面是题:
12+35+(-23)+0= 47-23=24
(-6)+8+(-4)+12 = 10
27+(-26)+33+(-27)=33-26=7
39+[-23]+0+[-16]= 39-39=0
[-18]+29+[-52]+60= 19
[-3]+[-2]+[-1]+0+1+2= -3
[-301]+125+301+[-75]= 125-75=40
(-7分之1)+(-7分之2)+1又7分之3 =1
-0.5-(-3 )+2.75-(+7 )2.75-10.5=-7.75
39+[-23]+0+[-16]= 0
[-18]+[-52]+60= -10
[-3]+[-2]+[-1]+0+1+2= -3
有的符号不好打 凑合凑合吧,我都抄袭别人的,有点不道德哈
然后就是不带答案的了,相信你一定更行 ,看不懂的就不要了: ① -5+(-3)=
② -10+15=
③ -6-9=
④ (-5)-(-4)=
⑤ (-8)-8=
⑥ (-2)-(-2)=
⑦ 0-(-7)=
⑧ 6.18-(-3.82)=
⑨ (-5.9)-(-6.9)=
⑩
11 (- )+(- )=
12 (- )- =
13 ┃-8┃+┃-3┃=
14 ┃-10┃-┃-5┃=
15 (-4.2)÷(-1)=
16 5÷0.01=
17 -64÷16=
18 (-5)÷(-1 )=
19 (-17)×(-13)=
20 (-0.03)÷0.01=
21 (+24 )÷(-6)=
22 (- )×(- )=
23 -[-(-2)2]2=
24 25×(-3)2 =
25 (-2)2×(-3)3=
26 74-22÷70=
27 (-1 )2-23=
28 (-2) +(-2) =
29 -2 ×5=
30 -3 ÷3=
31
32 ( ) =
33 (-4+7)-(2-8)=
34 - - + =
35 -4 +1 -17 =
36 (-2)×3×5÷(-1)=x09
37 ( - )×60=
38 -0.25÷(- )×(- )=
39 (-10)×(-0.24)×(-0.1)=
40 24÷3÷(-2)=
41 ×( - )× ÷
42 -20+8÷(-2)2-(-4)×(-3)=
43 -3×(0.1)3×(-0.2)2+(-0.8)=
44 42×(- )+(- )÷(-0.25)=
45 -13-[-5+(1-0.2× )÷(-21)=
46 -3×23-(-3×2)3=
47 -5×(-3 )+(-7)×(-3 )+12×(-3 )=
48 99 ×(-18)=
49 -32-(-2)3- ÷( )3 =
50 5 -[-0.25+(-2)3÷ ]- =