简单的数学题！！

Question

1.〈1/3+1/4-1/6〉X24 2. 100X〈-3〉X〈-5〉X0.01
3. 〈1/9-1/6-11/18〉X36 4. 〈1/4-1/2-1/8〉X128
5. [9X〈-4〉]X〈-1/4〉 6. 2.25X〈-2.3〉X3/25
7. 〈-2.1〉X6.5X〈-3/7〉
X=乘号 要写过程 写好再加5分！1个小时之内要 谢谢了

Answer 1

1.〈1/3+1/4-1/6〉X24
=8+6-4
=10

2. 100X〈-3〉X〈-5〉X0.01
=100×15×0.01
=100×0.01×15
=1×15
=15

3. 〈1/9-1/6-11/18〉X36
=4-6-2×11
=-2-22
=-24

4. 〈1/4-1/2-1/8〉X128
=32-64-16
=-48

5. [9X〈-4〉]X〈-1/4〉
=（-36）×（-1/4）
=9

6. 2.25X〈-2.3〉X3/25
=225/100×3/25×(-23/10)
=-621/1000

7. 〈-2.1〉X6.5X〈-3/7〉
=（-2.1）× （-3/7）×6.5
=0.9×6.5
=5.85

参考资料：仅供参考，祝您学习进步！

Answer 2

1.〈1/3+1/4-1/6〉X24
=1/3X24+1/4X24-1/6X24
=8+6-4
=10

2. 100X〈-3〉X〈-5〉X0.01
=〈100X0.01〉X[〈-3〉X〈-5〉]
=1X15
=15

3. 〈1/9-1/6-11/18〉X36
=1/9X36-1/6X36-11/18X36
=4-6-22
=-24

4. 〈1/4-1/2-1/8〉X128
=1/4X128-1/2X128-1/8X128
=32-64-16
=-48

5. [9X〈-4〉]X〈-1/4〉
=9X[〈-4〉X〈-1/4〉]
=9X1
=9

6. 2.25X〈-2.3〉X3/25
=〈9/4〉X〈-2.3〉X3/25
=[〈9/4〉X3/25]X〈-2.3〉
=27/100X〈-2.3〉
=-0.621

7. 〈-2.1〉X6.5X〈-3/7〉
=〈-2.1〉X〈-3/7〉X6.5
=〈2.1/7〉X〈3〉X6.5
=0.3X3X6.5
=5.85

Answer 3

1.〈1/3+1/4-1/6〉X24 =8+6-4=10
2. 100X〈-3〉X〈-5〉X0.01 =100*0.01*3*5=1*3*5=15
3. 〈1/9-1/6-11/18〉X36 =4-6-22=-24
4. 〈1/4-1/2-1/8〉X128 =32-64-16=48
5. [9X〈-4〉]X〈-1/4〉=-36*(-1/4)=9
6. 2.25X〈-2.3〉X3/25 =1/4*3/25*(-2.3)=0.04*(-2.3)=-0.092
7. 〈-2.1〉X6.5X〈-3/7〉=2.1*3/7*6.5=0.9*6.5=5.85

Answer 4

1.〈1/3+1/4-1/6〉X24
=[(4+3-2)/12] *24
=(5/12)*24
=10

2. 100X〈-3〉X〈-5〉X0.01
=100*0.01*3*5
=(100*0.01)*3*5
=1*3*5
=15

3. 〈1/9-1/6-11/18〉X36
=[(2-3-11)/18]*36
=[(-12)/18]*36
=-24

4. 〈1/4-1/2-1/8〉X128
=[(2-4-1)/8]*128
=(-3/8)*128
=-48

5. [9X〈-4〉]X〈-1/4)
=(-36)*(-1/4)
=9

6. 2.25X〈-2.3〉X3/25
=(9/4)*(-23/10)*3/25
=-(9*23*3)/(4*10*25)
=-621/1000
=-0.621

7. 〈-2.1〉X6.5X〈-3/7〉
=(-21/10)*(13/2)*(-3/7)
=(21*13*3)/(10*2*7)
=819/140
=5.85

Answer 5

1.〈1/3+1/4-1/6〉X24 =8+6-4=10
2. 100X〈-3〉X〈-5〉X0.01 =100X0.01X3X5=1X3X5=15
3. 〈1/9-1/6-11/18〉X36 =4-6-22=-24
4. 〈1/4-1/2-1/8〉X128 =32-64-16=48
5. [9X〈-4〉]X〈-1/4〉=-36X(-1/4)=9
6. 2.25X〈-2.3〉X3/25 =1/4X3/25X(-2.3)=0.04X(-2.3)=-0.092
7. 〈-2.1〉X6.5X〈-3/7〉=2.1X3/7X6.5=0.9X6.5=5.85
94这样德.哦也!选我

Answer 6

这都可以？？
1.=1/3*24+1/4*24-1/6*24=8+6-4=10
2.=(100*0.01)*(3*5)=15
3.=1/9*36-1/6*36-11/18*36=4-6-22=-24
4.=-3/8*128=-48
5.=-36*(-1/4)=36/4=9
6.=-(2.25*3/25)*2.3=-0.21*2.3=-0.483
7.=(2.1*3/7)*6.5=0.9*6.5=5.85
我KAO 这不找抽么
多少年没做过了。。真有感觉啊 也不知道有没有错的。。