98*35的简便运算怎么算?
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98*35的简便运算怎么算?
98*35的简便运算怎么算?
98*35的简便运算怎么算?
(100-2)X35
=100X35-2X35
=3500-70
=3430
(100-2)X35=3500-70=3430
98*35=(100-2)*35=3500-70=3430
98*35=(100-2)*35=100*35-2*35=3500-70=3430
(100-2)*35
=100*35-2*35
=3500-70
=3430