用计算器计算下列各式的值 204.7×(-3.6) -2.17² (-26.7×5+180)×5²
1个回答
204.7×(-3.6)
=-736.92
-2.17²
=-4.7089
(-26.7×5+180)×5²
=(-133.5+180)×25
=46.5×25
=1162.5
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