Show:
adding integers
subtracting integers
combing like terms
multiplication
multiplying decimals
100
what is -8+12
-20
100
what is 9-6
3
100
what is 6a+5b+4a+2b
10a+7b
100
5*5
25
100
what is 0.5*6
3
200
what is -15+18
What is 3
200
-2 - -3
5
200
what is 5a+2c+a+3c
6a+5c
200
6*6
36
200
What is 0.34*8
2.72
300
what is -3+5
8
300
what is -1 - -5
What is 6
300
what is 7b+1a+4b+b
1a+12b
300
what is 7*9
63
300
What is 45.7*3
137.1
400
what is -9+5
-14
400
what is -8 - 6
-14
400
what is 8c+5b+9c+5b
17c+10b
400
What is 9*12
108
400
What is 7.50*6
45
500
what is -7+-3
-10
500
what is 9-7
-16
500
what is 4a+8b+6A+2B+c
10a+10b+1c
500
what is 12*19
228
500
What is 9.3*3
27.9