: NEED ANSWER IMMEDIATELY 20pts​


Your challenge is to place the digits in the correct place to make an answer of 30 each time.

1. Challenge A: Use the digits 7, 9 and 3.

______ x ______ + ______

2. Challenge B: Use the digits 2, 4 and 7.

______ + ______ x ______

3. Challenge C: Use the digits 6, 9 and 4.

______ x ______ - ______

4. Challenge A: Use the digits 7, 2, 4 and 1

______ x ______ + ______ x ______