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This is the formula of grade five in primary school. Can you do it? A simple method of 10.1 × 0.99
10.1×0.99
=(10+0.1)×0.99
=10×0.99+0.1×0.99
=9.9+0.099
=9.999
or
10.1×0.99
=10.1 ×(1-0.01)
=10.1 ×1-10.1 ×0.01
=10.1-0.101
=9.999
Is there a simple method to calculate 2800 × 0.14% + 2800?
2800(1+0.0014)
Simple calculation of 1.25 × 0.52 × 0.8
0.52*1=0.52
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