Recall that addition problems like 3478 + 521 can be written and computed using expanded notation as shown here, and answer the questions that follow.
a. Write a corresponding addition algebra problem (use x for 10) and find the answer.
b. Write a subtraction problem and the corresponding algebra problem and find the answer.
c. Write a multiplication problem and the corresponding algebra problem and compute the answer.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.