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The process of mathematical calculation in the first day of junior high school
3 1 and one third 1 times 4 1 and two thirds 1 minus 1 and one third 1 times 4 1 and two thirds 1 times 2 minus 9.5.

=4 1 and 1/2×(3 1 and 1/3- 1 and1/3× 2)-9.5×1/kloc.

=4 1 and 1/2×8 and 2/3-9.5× 1 1 and 1/3.

=4 1 and 1/2×8 and 2/3-9.5×8 and 2/3-9.5×2 and 2/3.

=(4 1.5-9.5)×8 and 2/3-9.5×8/3.

=32×8 2/3-76/3

=32×(9- 1/3)-76/3

=288-(32/3+76/3)

=288-36

=252

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