三年级口算题整十数乘两位数.doc

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三年级口算题：整十数乘两位数140 40 = 282 90 = 392 60 =418 80 = 530 81 = 696 80 =750 86 = 813 10 = 910 20 =1030 26 = 1130 62 = 1288 40 =1388 30 = 1410 45 = 1570 65 = 1673 40 = 1781 50 = 1878 40 = 1968 10 = 2074 30 = 2182 50 = 2279 30 = 2358 60 = 2461 10 = 2574 30 = 2655 40 = 2766 70 = 2870 33 = 2957 80 = 3072 10 =