88x0.25x9 38.25÷[14.6一(5.4+4.1)]用简算怎么写

问题描述:

88x0.25x9 38.25÷[14.6一(5.4+4.1)]用简算怎么写

88x0.25x9
=(22×4)×0.25×9
=(22×9)×(4×0.25)
=198×1
=198
38.25÷[14.6一(5.4+4.1)]
=38.25÷[14.6-9.5]
=38.25÷5.1
=38.25÷(3×1.7)
=38.25÷3÷1.7
=12.75÷1.7
=7.55