"9999亿9999万9999+1"...9999亿9999万9999+1

　"9999亿9999万9999=几"...9999亿9999万9999=几

　"9999亿9999万9999×9"...9999亿9999万9999×9

　"9999亿9999万9999+9000"...9999亿9999万9999+9000

　"9999亿9999万9999+9999亿9999万9999等于几"...9999亿9999万9999+9999亿9999万9999等于几

　"9999亿9999万9999+1等于几"...9999亿9999万9999+1等于几

　"9999亿9999万9999×9999等于几"...9999亿9999万9999×9999等于几

　"9999亿9999万等于几"...9999亿9999万等于几

　"9999亿9999万9999+9999亿9999万九千九百九十九"...9999亿9999万9999+9999亿9999万九千九百九十九

　"9999+9999亿"...9999+9999亿