gbt22796+2021a类
毕菊净1634估算96+202大约等于多少 -
宿阁玉15389606890 ______ 300
毕菊净1634189+202先估计得数大约是几百? -
宿阁玉15389606890 ______ 189+202先估计得数大约是4百
毕菊净1634206+202约等于多少 -
宿阁玉15389606890 ______ 等于408 约等于410或者400 望采纳
毕菊净1634159十202怎么算简便 -
宿阁玉15389606890 ______ 159十202=160-1+200+2=361
毕菊净1634估算202+269,可以想()+()=(),所以 202+269~() -
宿阁玉15389606890 ______ 估算202+269,可以想(200)+(270)=(470),所以 202+269~(470)
毕菊净1634198² - 396*202+202²要过程 -
宿阁玉15389606890 ______ 198²-396*202+202² =39204-79992+40804 =16
毕菊净1634该怎么写426+202的简便运算呢? -
宿阁玉15389606890 ______ 426+202=426+200+2=626+2=628
毕菊净1634202+496先估一估,在列竖式计算.怎么做? -
宿阁玉15389606890 ______ 202+496≈200+500=700,也就是大约是700,具体竖式计算如下:
毕菊净1634小学奥数996+699+202 - 401 -
宿阁玉15389606890 ______ 996+699+202-401 =1000-4+700-1+200+2-400-1 =1000+700+200-400+2-1-1-4 =1500+2-2-4 =1500-4 =1496
毕菊净1634297+79+202的脱式算法 -
宿阁玉15389606890 ______ 297+79+202 =297+3+78+200 =300+200+78 =500+78 =578 朋友,请及时采纳正确答案,下次还可能帮您,您采纳正确答案,您也可以得到财富值,谢谢.