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脱式计算,能简算的要简算:(291-38×3.5-35.5)÷3.50.466×1.8+4.66×1.82-4.66.

题目详情
脱式计算,能简算的要简算:
(291-38×3.5-35.5)÷3.5           
0.466×1.8+4.66×1.82-4.66.
▼优质解答
答案和解析
(1)(291-38×3.5-35.5)÷3.5,
=(291-133-35.5)÷3.5,
=(158-35.5)÷3.5,
=122.5÷3.5,
=35;

(2)0.466×1.8+4.66×1.82-4.66,
=4.66×0.18+4.66×1.82-4.66,
=4.66×(0.18+1.82-1),
=4.66×1,
=4.66.