1000 - 500 = 500. It's the same as asking: 1000 x 1/2.
500 minus 279 is 221.
Try 1000 / 2 =1000/2"1000" button, then "divide" button, then "2" button
500 minus 315 equals 185.
500 * 1000 = 500,000
1000 minus 36 is equal to 964.
Half of 7000 is 3500 minus 500=3000.
1147 - 500 = 647
500 - 441 = 59
500 - 343 = 157
500 - 199 = 301
500 - 212 = 288
500 - 399 = 101