399 + 326 - 456 - 295 - 873

399 + 326

3 | 9 | 9 | |

+ | 3 | 2 | 6 |

? |

Break some number(s) into component parts, the sum stays the same.

Write it down at the base of the ones column.

Carry it over to the tens column.

Write the digit above that column.

Add it with the rest of the digits in that column.

1 | |||

3 | 9 | 9 | |

+ | 3 | 2 | 6 |

5 |

Write it down at the base of the tens column.

Carry it over to the hundreds column.

Write the digit above that column.

Add it with the rest of the digits in that column.

1 | 1 | ||

3 | 9 | 9 | |

+ | 3 | 2 | 6 |

2 | 5 |

Write it down at the base of the hundreds column.

1 | 1 | ||

3 | 9 | 9 | |

+ | 3 | 2 | 6 |

7 | 2 | 5 |

399 + 326 = 725

- 456 - 295 - 873

4 | 5 | 6 | ||

2 | 9 | 5 | ||

+ | 8 | 7 | 3 | |

? |

Break some number(s) into component parts, the sum stays the same.

Write it down at the base of the ones column.

Carry it over to the tens column.

Write the digit above that column.

Add it with the rest of the digits in that column.

1 | ||||

4 | 5 | 6 | ||

2 | 9 | 5 | ||

+ | 8 | 7 | 3 | |

4 |

Write it down at the base of the tens column.

Carry it over to the hundreds column.

Write the digit above that column.

Add it with the rest of the digits in that column.

2 | 1 | |||

4 | 5 | 6 | ||

2 | 9 | 5 | ||

+ | 8 | 7 | 3 | |

2 | 4 |

Write it down at the base of the hundreds column.

Write it down at the base, next to the hundreds digit.

2 | 1 | |||

4 | 5 | 6 | ||

2 | 9 | 5 | ||

+ | 8 | 7 | 3 | |

1 | 6 | 2 | 4 |

- 456 - 295 - 873 = - 1,624

725 - 1,624 = ?

1 | 6 | 2 | 4 | |

- | 7 | 2 | 5 | |

? |

Borrow from the next column to the left.

Cross out the top digit you've borrowed 1 from:

Write the answer above that digit: 1.

Add 10 to the top digit in the column of the ones: 10 + 4 =

1 | ||||

1 | 6 | ^{1}4 | ||

- | 7 | 2 | 5 | |

14 - 5 = 10 + 4 - 5 = 10 + 4 - 5 = 4 + (10 - 5) = 4 + 5 = 9.

9 is the ones digit.

Write it down at the base of the ones column.

1 | ||||

1 | 6 | ^{1}4 | ||

- | 7 | 2 | 5 | |

9 |

Borrow from the next column to the left.

Cross out the top digit you've borrowed 1 from:

Write the answer above that digit: 5.

Add 10 to the top digit in the column of the tens: 10 + 1 =

5 | ^{1}1 | |||

1 | ^{1}4 | |||

- | 7 | 2 | 5 | |

9 |

11 - 2 = 10 + 1 - 2 = 10 + 1 - 2 = 1 + (10 - 2) = 1 + 8 = 9.

9 is the tens digit.

Write it down at the base of the tens column.

5 | ^{1}1 | |||

1 | ^{1}4 | |||

- | 7 | 2 | 5 | |

9 | 9 |

Borrow from the next column to the left.

Cross out the top digit you've borrowed 1 from:

Write the answer above that digit: 0.

Add 10 to the top digit in the column of the hundreds: 10 + 5 =

0 | ^{1}5 | ^{1}1 | ||

^{1}4 | ||||

- | 7 | 2 | 5 | |

9 | 9 |

15 - 7 = 10 + 5 - 7 = 10 + 5 - 7 = 5 + (10 - 7) = 5 + 3 = 8.

8 is the hundreds digit.

Write it down at the base of the hundreds column.

0 | ^{1}5 | ^{1}1 | ||

^{1}4 | ||||

- | 7 | 2 | 5 | |

8 | 9 | 9 |

0 is the thousands digit.

Write it down at the base of the thousands column.

0 | ^{1}5 | ^{1}1 | ||

^{1}4 | ||||

- | 7 | 2 | 5 | |

0 | 8 | 9 | 9 |

399 + 326 - 456 - 295 - 873 = - 899

399 + 326 - 456 - 295 - 873 = ? | Jan 20 06:10 UTC (GMT) |

1,015 - 1,046 - 970 - 759 - 390 - 552 = ? | Jan 20 06:09 UTC (GMT) |

71 - 97 = ? | Jan 20 06:06 UTC (GMT) |

125 - 98 = ? | Jan 20 06:04 UTC (GMT) |

56 + 59 + 68 - 189 = ? | Jan 20 06:00 UTC (GMT) |

523 + 728 + 179 - 2,009 - 111 = ? | Jan 20 05:59 UTC (GMT) |

3,371 - 1,374 = ? | Jan 20 05:59 UTC (GMT) |

- 159 + 106 = ? | Jan 20 05:58 UTC (GMT) |

- 616 + 2,046 = ? | Jan 20 05:45 UTC (GMT) |

850 - 281 = ? | Jan 20 05:44 UTC (GMT) |

- 322 - 352 - 264 + 491 + 378 = ? | Jan 20 05:39 UTC (GMT) |

- 231 - 253 = ? | Jan 20 05:24 UTC (GMT) |

465 - 1,919 = ? | Jan 20 05:14 UTC (GMT) |

All the numbers that were subtracted by users |