10^2- [ 60: 5^6: 5^4-3.5] Giúp em

2 câu trả lời

${10^2}$ ${-}$ $[60:5^6:5^4-3.5]$

${=}$ ${10^2}$ ${-}$ $[60:(5^2-15)]$

${=}$ ${10^2}$ ${-}$ $[60:(25-15)]$

${=}$ ${100}$ ${-}$ ${(60:10)}$

${=}$ ${100}$ ${-}$ ${6}$

${=}$ ${94}$

 

$\text{10^2 − [60:56:54−3.5]}$ $\text{= 10^2 − [60:(52−15)]}$ $\text{= 10^2 − [60:(25−15)]}$ $\text{= 100 − (60:10)}$ $\text{= 100 − 66}$ $\text{= 94}$  
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