Question

28.08.2020
Exercise 3A...
Build the 12 times table using this idea.
1 * 12 - (1 * 10) + (1 * 2) - 10 + 2 = 12
2 * 12 - (2 x 10) +
(2 * 2) - 20 + 4 = 24
3 * 12 - (3 x 10) + (3 * 2) - 30 +6 - 36
(4 * 10) + (
42)
(4* 2) - 40 + 8 = 48
+ (
( )
NO
4 x 12
5 * 12 = (5x10)
6 x 12 = ( ) + (
7 7 x 12 =(
( )
8 x 12 =( + ( (
9 x 12 =(
) (
10 x 12 (
) +
2 Multiply by breaking up a factor.​

Answer 1

Explanation:

I CAN'T UNDERSTAND YOUR QUESTION. SORRY