3年级数学三位数乘一位数速算
三位数乘一位数,先从个位开始的,然后是十位相乘,最后是百位。例题,999x3二2997。最简单的算法就是1000乘以3等于3000。一看就知道,999比一千少1,1乘以3等于3,所以3000要减去3,3000一3二2997...
三位数乘一位数,先从个位开始的,然后是十位相乘,最后是百位。例题,999x3二2997。最简单的算法就是1000乘以3等于3000。一看就知道,999比一千少1,1乘以3等于3,所以3000要减去3,3000一3二2997...
3 x 300 = 3 x 301 = 3 x 302 = 3 x 303 = 3 x 304 = 3 x 305 = 3 x 306 = 3 x 307 = 3 x 308 = 3 x 309 = 3 x 310 = 3 x 311 = 3 x 312 = 3 x 313 = 3 x 314 = 3 x 315 = 3 x 316 = 3 x 317 = 3 x 318 = 3 x 319 = 3 x 320 = 3 x 321 = 3 x 322 = 3 x 323 = 3 x 324 =...
100×3=300 125×8=1000 111×8=888 250×4=1000 101×5=501 222×3=666 303×5=1515 150×2=300 205×4=820 711×5=3555 500×9=4500 202×9=1818 999×1=999 110×6=660 112×4=448 331×2=662 123×3=369 404×7=2828 213×3=639 601×9=5409 423×2=846 521×4=2084 912×3=2736...
以下是一些三位数乘一位数的脱式计算题目,共100道: 125 × 8 = 178 × 9 = 19 × 7 = 97 × 2 = 93 × 4 = 145 × 6 = 89 × 3 = 47 × 8 = 82 × 5 = 37 × 9 = ... 59 × 7 = 158 × 6 = 184 × 8 = 76 × 4 = 61 × 5 = 102 × 6 = 33 × 9 = 44 × 7 = 88 × 5 = 22 × 9 =...