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The off-type calculation problems in the sixth grade of mathematics can be easily calculated, and there are five quick and important processes.
1、 105×64- 128

= 105X64-2X64

= 103X64

= 100X64+3X64

=6400+ 192

=6592

2、9750÷25+75

=9750X4÷ 100+75

=39000÷ 100+75

=390+75

=465

3、5.4+4.6×3.5

=5.4+2.3X7

=5.4+ 16. 1

=2 1.5

4, 12 7+4 3×5 2.

= 65438+7+5+6 of 0x3.

= 65438 of 4+0x65438+53 of 05。

= 53 out of 60 points

5, 16 3-8 5÷4

= 16 3-8 5X4 1。

= 6 out of 32-5 out of 32

= 0 in 65438+32.

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