题目内容
(1)(
(2)(
(1)30÷6= (2)20-9= (3)3×9=
(4)9×5= (5)54+8= (6)91-7=
(7)100÷10=
(10)82-8= (11)4×8=
直接写出题后的结果.
1 234 567.9×9=11 111 111.1, 1 234 567.9×18=________,
1 234 567.9×27=________, 1 234 567.9×36=________,
1 234 567.9×45=________, 1 234 567.9×54=________,
1 234 567.9×63=________, 1 234 567.9×72=________,
1 234 567.9×81=________.