bonsoir
1. ( 7/4 - 5/6 ) x 8/3
= ( 21/12 - 10 /12 ) x 8/3
= 11 /12 x 8/3
= 88/36 =22 / 9
2. 1/3 + ( 4/3 : 2 /5 )
1 /3 + ( 4/3 * 5/2 )
= 1 /3 + 20 /6
= 2/6 + 20 /6
= 22/6 = 11 / 3
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bonsoir
1. ( 7/4 - 5/6 ) x 8/3
= ( 21/12 - 10 /12 ) x 8/3
= 11 /12 x 8/3
= 88/36 =22 / 9
2. 1/3 + ( 4/3 : 2 /5 )
1 /3 + ( 4/3 * 5/2 )
= 1 /3 + 20 /6
= 2/6 + 20 /6
= 22/6 = 11 / 3