1、两位数乘两位练习一试一试，并写下你是如何计算的。（参考课本第一页）13 x 20= 15 x 20 = 43 x 10 = 37 x 50 = 76 x 20 = 27 x 80 = 45 x 40 = 66 x 70 = 73 x 40 = 59 x 20= 38 x 90 = 27 x 70 = 47 x 70= 58 x 60 = 77 x 40=两位数乘以两位数练习22829 7767 37501731 8774 15117131 5641 59499695 2683 17689852 4026 61724893 5625 49519331 9781 9825两位数乘以两位数练习318
2、72 4722 12387889 7139 69546478 3443 49153321 5040 97767764 3716 45376325 6724 76231911 9083 2295两位数乘以两位数练习45821 6695 78506294 5753 84266093 4329 27766462 1383 69744146 9691 87209528 5497 33347215 1349 1476两位数乘以两位数练习51231 8748 10292380 5281 19481024 7889 24345561 6930 68416674 4520 31426048 8374 29129273 4563 5443两位数乘以两位数练习63620 2394 31585044 5192 12541638 7369 28653051 1117 58608660 2784 51284947 5368 35372773 9840 7532两位数乘以两位数练习76774 7980 77471277 1847 31192764 2375 35985480 7244 20856950 4128 27556680 5531 34793140 7168 6410
