急求小数乘除法口算题 250道

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/07/09 02:38:35

急求小数乘除法口算题 250道
只有一天时间了

请先给出2~4个样例
再问： 720÷800= 17×300=
再答： 17×300有小数么？
再问：弄错了
再答： 910 * 0.7 = 637 190 * 0.3 = 57 700 * 0.1 = 70 320 * 0.8 = 256 140 * 0.1 = 14 590 * 0.3 = 177 160 * 0.2 = 32 770 * 0.8 = 616 340 * 0.5 = 170 430 * 0.9 = 387 990 * 0.8 = 792 950 * 0.4 = 380 290 * 0.7 = 203 500 * 0.5 = 250 20 * 0.6 = 12 750 * 0.4 = 300 370 * 0.7 = 259 100 * 0.8 = 80 400 * 0.5 = 200 920 * 0.3 = 276 690 * 0.3 = 207 100 * 0.8 = 80 840 * 0.5 = 420 150 * 0.6 = 90 280 * 0.2 = 56 720 * 0.4 = 288 920 * 0.8 = 736 540 * 0.5 = 270 220 * 0.4 = 88 290 * 0.3 = 87 680 * 0.3 = 204 330 * 0.3 = 99 510 * 0.2 = 102 830 * 0.5 = 415 530 * 0.7 = 371 220 * 0.1 = 22 10 * 0.8 = 8 900 * 0.7 = 630 930 * 0.1 = 93 840 * 0.4 = 336 560 * 0.4 = 224 380 * 0.3 = 114 620 * 0.5 = 310 550 * 0.1 = 55 70 * 0.5 = 35 510 * 0.3 = 153 290 * 0.8 = 232 580 * 0.6 = 348 640 * 0.1 = 64 390 * 0.6 = 234 230 * 0.7 = 161 330 * 0.2 = 66 620 * 0.8 = 496 420 * 0.8 = 336 10 * 0.6 = 6 280 * 0.2 = 56 40 * 0.2 = 8 910 * 0.2 = 182 300 * 0.6 = 180 110 * 0.1 = 11 780 * 0.7 = 546 40 * 0.7 = 28 380 * 0.2 = 76 350 * 0.7 = 245 900 * 0.4 = 360 680 * 0.9 = 612 940 * 0.5 = 470 这些都是乘法，也可改为除法：470/0.5=940 612/0.9=680

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