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How to calculate 8 / 9 [3 / 4 - (7 / 16-1 / 4)] by disjunction formula
8/9×[3/4-（7/16-1/4）]
=8/9×（3/4+1/4-7/16）
=8/9×（1-7/16）
=8/9×9/16
=1/2
How to calculate 1 / 5 / 4 / (2 / 8 / 3) with simple calculation?
1/2÷4/5÷(2/9÷3/8)
=1/2*5/4÷(2/9*8/3)
=5/8÷16/27
=5/8*27/16
=135/128
0.77 △ 35 (the calculation of off formula can be simple, but it should be simple)
0.77÷35 =（0.77 ×2 ）÷（35 ×2 ） =0.77÷70 ×2 =0.011 ×2 =0.022
How can 35 / (0.35 * 4) be easily calculated
35/(0.35*4)
=35/0.35*(1/4)
=100/4
=25
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