乘法算式乘法口诀画一画乘法算式乘法口诀画一画3×131×33一三得三3×6186×318三六十八3×262×36二三得六3×7217×321三七二十一3×39三三得九3×8248×324三八二十四3×4124×312三四十二3×9279×327三九二十七3×5155×315三五十五想一想:①有几句乘法口诀只能写一个乘法算式 ②注意:因数的位置交换积不变想一想哪些口诀能写出两个不同的乘法
2×1= 2×2= 2×3= 2×4=5×6= 5×7= 5×8= 5×9=9×6= 9×7= 9×8= 9×9=3×6= 3×7= 3×8= 3×9=8×1= 8×2= 8×3= 8×4=4×6= 4×7= 4×8= 4×9=5×1= 5×2= 5×3=
1×42×43×44×45×46×47×48×49×4Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
笔算乘法达标卡 用竖式计算73×5= 62×2= 37×7= 11×7= 83×7= 14×4= 87×7= 43×9= 88×0= 95×3= 57×7= 14×5= 52×2=
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This document was truncated here because it was created in the Evaluation Mode.Created with an evaluation copy of Aspose.Words. To discover the full versions of our APIs please visit: :product
This document was truncated here because it was created in the Evaluation with an evaluation copy of . To discover the full versions of our APIs please visit: :六年级数学口算——分数乘法
This document was truncated here because it was created in the Evaluation Mode. : PAGE : PAGE 7 : 曹老师奥数5年级分数口算训练(1)时间:10分钟 实际时间: 分数:
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四年级乘法运算定律专项练习 班别: : 一想一想填一填(1)34×28=28×□(2)c×(24a)= c×□ c×□(3)(24×5) ×2=24×(□×□)(4)36×a45×a=(□□) ×a(5)25×8×4×125=(25×4) ×(□×□)二选择正确的答案的序号填在( )里(1)3×8×4×5= (3×4)×(8×5)这是运用了(
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