23456 + 654321 = 677,777
324536
1234567 + 123456789 = 124691356
Two plus 3 minus 2 times 1 squared plus 4 times 16 squared minus 4 times 2 is equal to 1,019.
44
23456 + 758 = 24214
23456 + 654321 = 677,777
123456789 + 123456789 = 246913578
1 357 826 828
+ times a + = a plus- times a + = a minus- times a - = a plus+ times a - = a minus
324536
plus times plus = plus minus times plus = minus plus times minus = minus minus times minus = plus so when you subtract a number it is the same as adding its negative; for example 7 - 4 = 3 7 + (1)(-4) = 3
25,801
123456789 + 36853168 = 160309957
123456789 +987654321 =1111111110
1234567 + 123456789 = 124691356
A plus times a plus is still a plus. Below is the way I remembered it: If there is not a minus sign, it is plus (positive). If there is 1 minus sign, it is minus (negative). If there are 2 minus signs, it is plus (positive).