87x42的竖式计算? 87÷42的竖式
87\u9664\u4ee542\u7528\u575a\u5f0f\u8ba1\u7b9787\u9664\u4ee542\u7528\u575a\u5f0f\u8ba1\u7b97
87 \u00f7 42 = 2 \u2026 3\uff08\u4f59\u6570\u662f: 3\uff09
\u7b97\u5f0f\uff1a87/42=2...3
\u7ad6\u5f0f\u5982\u4e0b\uff1a
\u9664\u6cd5\u7528\u7ad6\u5f0f\u8ba1\u7b97\u65f6\uff0c\u4ece\u88ab\u9664\u6570\u6700\u9ad8\u4f4d\u5f00\u59cb\u9664\u8d77\uff0c\u5982\u82e5\u9664\u4e0d\u4e86\uff0c\u90a3\u4e48\u5c31\u7528\u6700\u9ad8\u4f4d\u548c\u4e0b\u4e00\u4f4d\u5408\u6210\u4e00\u4e2a\u6570\u6765\u9664\uff0c\u76f4\u5230\u80fd\u9664\u4ee5\u9664\u6570\u4e3a\u6b62\u3002
\u672c\u9898\u4e2d\u5148\u7528\u88ab\u9664\u6570\u7684\u6700\u9ad8\u4f4d\u76848\u9664\u4ee542\u9664\u4e0d\u4e86\uff0c\u518d\u7528\u88ab\u9664\u6570\u4e2a\u4f4d\u4e0a\u76848\u548c7\u5408\u621087\u9664\u4ee543\u5546\u662f2\uff0c\u4f59\u6570\u4e5f\u662f3\u3002\u56e0\u4e3a\u4e00\u76f4\u5904\u4e0b\u53bb\u4ecd\u7136\u65e0\u6cd5\u9664\u5c3d\uff0c\u6240\u4ee5\u53ef\u4ee5\u5199\u6210\u662f\u55462\u4f59\u6570\u4e5f\u662f3\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u7ad6\u5f0f\u8fd0\u7b97\u6cd5\u5219
\u8fd0\u7b97\u6027\u8d28\uff1a
\u88ab\u9664\u6570\u6269\u5927\uff08\u7f29\u5c0f\uff09n\u500d\uff0c\u9664\u6570\u4e0d\u53d8\uff0c\u5546\u4e5f\u76f8\u5e94\u7684\u6269\u5927\uff08\u7f29\u5c0f\uff09n\u500d\u3002
\u9664\u6570\u6269\u5927\uff08\u7f29\u5c0f\uff09n\u500d\uff0c\u88ab\u9664\u6570\u4e0d\u53d8\uff0c\u5546\u76f8\u5e94\u7684\u7f29\u5c0f\uff08\u6269\u5927\uff09n\u500d\u3002
\u9664\u6cd5
\u598242\u9664\u4ee57\u3002
\u4ece4\u5f00\u59cb\u9664\u3014\u4ece\u9ad8\u4f4d\u5230\u4f4e\u4f4d\u3015\u3002\u9664\u6cd5\u7528\u7ad6\u5f0f\u8ba1\u7b97\u65f6\uff0c\u4ece\u6700\u9ad8\u4f4d\u5f00\u59cb\u9664\u8d77\uff0c\u5982\uff1a42\u5c31\u4ece\u6700\u9ad8\u4f4d\u5341\u4f4d4\u5f00\u59cb\u9664\u8d77\uff1b\u82e5\u9664\u4e0d\u4e86\uff0c\u5982\uff1a4\u4e0d\u80fd\u9664\u4ee57\uff0c\u90a3\u4e48\u5c31\u7528\u6700\u9ad8\u4f4d\u548c\u4e0b\u4e00\u4f4d\u5408\u6210\u4e00\u4e2a\u6570\u6765\u9664\uff0c\u76f4\u5230\u80fd\u9664\u4ee5\u9664\u6570\u4e3a\u6b62\uff1b\u5982\uff1a42\u96647\u4e2d4\u4e0d\u80fd\u96647\uff0c\u5c31\u628a4\u548c2\u5408\u6210\u4e00\u4e2a\u657042\u6765\u96647\uff0c\u5546\u4e3a6\u3002
解题思路:两个乘数末位对齐,分别将第二个乘数从末位起每一位数依次乘上一乘数,将所以步骤计算的结果相加
解题过程:
步骤一:2×87=174
步骤二:40×87=3480
步骤三:将以上步骤计算结果累加为3654
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87×42=3654,这个直接竖式计算,27在上面,42在下面。
87×42=3654
竖式计算
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