Overview: 7 questions will be solved this time.Among them
☆5 arithmetic calculations
☆2 integer calculations
[1/7 Formula]
Work: Calculate the value of equation 356-18-156-72 .
Question type: Mathematical calculation
Solution:
356-18-156-72
=338-156-72
=182-72
=110 Answer:356-18-156-72=110[2/7 Formula]
Work: Calculate the value of equation 1375-(375+648) .
Question type: Mathematical calculation
Solution:
1375-(375+648)
=1375-1023
=352 Answer:1375-(375+648)=352[3/7 Formula]
Work: Calculate the value of equation (1250-125)×8 .
Question type: Mathematical calculation
Solution:
(1250-125)×8
=1125×8
=9000 Answer:(1250-125)×8=9000[4/7 Formula]
Work: Calculate the value of equation 478-745+322 .
Question type: Mathematical calculation
Solution:
478-745+322
=-267+322
=55 Answer:478-745+322=55[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 48×1001 Solution:
48×1001 =
48048 Column vertical calculation:
| | | | | | | | | | 4 | 8 |
| ✖ | | | | | | | 1 | 0 | 0 | 1 |
|
| | | | | | | | | | 4 | 8 |
| | | | | | | | | 0 | 0 | |
| | | | | | | | 0 | 0 | | |
| | | | | | | 4 | 8 | | | |
|
| | | | | | | 4 | 8 | 0 | 4 | 8 |
[6/7 Formula]
Work: Calculate the value of equation 6686-866-134 .
Question type: Mathematical calculation
Solution:
6686-866-134
=5820-134
=5686 Answer:6686-866-134=5686[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 42×99 Solution:
42×99 =
4158 Column vertical calculation:
>>注:本次最多计算 7 道题。
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