试题 试卷
题型:填空题 题类:常考题 难易度:容易
8的乘法口诀 1830 11
9×9{#blank#}1{#/blank#}81
1×7{#blank#}2{#/blank#}8
4,9,16,25{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#},{#blank#}4{#/blank#}
如果我想摆5间,要{#blank#}2{#/blank#}根火柴?
550-60 = 420-20= 120-60 = 230+90 = 600+300=
9×4 = 6×7 = 30÷5 = 19÷3 = 15÷4=
加法算式:
乘法算式:
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