See supplement for clever calculation of recursive equation. - Training Enrollment Network

See supplement for clever calculation of recursive equation.

1、 1 1 1. 1÷ 1. 1 1×3.33

= 1 1 1. 1÷( 1. 1 1÷3.33)

= 1 1 1. 1÷ 1/3

= 1 1 1. 1×3

=333.3

2、 (4.8×7.5×8. 1)÷(2.5×2.7×2.4)

=(2×2.4×3×2.5×3×2.7)÷(2.5×2.7×2.4)

=2×3×3×(2.5×2.7×2.4)÷(2.5×2.7×2.4)

=2×3×3

= 18

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