Simple calculation: 9 / 4 △ 10 / 23 + 5 and 4 / 9 × 2.3

Simple calculation: 9 / 4 △ 10 / 23 + 5 and 4 / 9 × 2.3


9/4÷10/23+49/9×23/10
=9/4×23/10+49/9×23/10
=(23/10)(9/4+49/9)
=(23/10)((81+196)/36
=23/10×277/36
=………………
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