\(15.8-\left(17-30+83\right)-144:2\)
\(15.8-\left(-13+83\right)-144:2\)
\(=15.8-70-144:2\)
\(=120-70-144:2\)
\(=120-70-72\)
\(=50-72\)
\(=-22\)
k cho mình nhé!
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\(15.8-\left(17-30+83\right)-144\div2\)
\(=\)\(15.8-\left(-13+83\right)-144\div2\)
\(=\)\(15.8-70-144\div2\)
\(=\)\(120-70-72\)
\(=\)\(50-72\)
\(=\)\(-22\)