试题 试卷
题型:单选题 题类:常考题 难易度:容易
9的乘法口诀1894 10
45-5×9= 32÷8×5= 24÷3+31=
9×6-20= 81÷(33-24)= (24-17)×3=
98-80-2= 5×4÷4= 54÷6×8=
(70-18)÷4= 72÷9÷8= 0×21+29=
8×8-8= 6×7+7= 6×9-9= 7×5-12=
8×7+6= 9×8-3= 6×5+20= 7×5+30=
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