740 - 490 =
600 × 50 =
380 + 390 =
120 × 9 =
500 × 4 =
260 × 3 =
3000 ÷ 20 =
136 × 3 =
670 - 280 =
501 × 5 =
360 ÷ 40 =
819 ÷ 9 =
14 × 50 =
5 × 102 =
6400 ÷ 800 =
30 × 30 =
650 ÷ 50 =
8 × 108 =
4200 ÷ 700 =
500 ÷ 500 =
740 - 470 =
7200 ÷ 900 =
160 × 5 =
6 × 19 =
180 ÷ 3 =
920 - 630 =
8100 ÷ 300 =
609 - 119 =
970 ÷ 10 =
80 + 368 =
130 × 5 =
500 × 40 =
960 ÷ 16 =
6 + 699 =
190 + 350 =
99 × 0 =
530 - 350 =
130 × 2 =

740 - 490 = 250
600 × 50 = 30000
380 + 390 = 770
120 × 9 = 1080
500 × 4 = 2000
260 × 3 = 780
3000 ÷ 20 = 150
136 × 3 = 408
670 - 280 = 390
501 × 5 = 2505
360 ÷ 40 = 9
819 ÷ 9 = 91
14 × 50 = 700
5 × 102 = 510
6400 ÷ 800 = 8
30 × 30 = 900
650 ÷ 50 = 13
8 × 108 = 864
4200 ÷ 700 = 6
500 ÷ 500 = 1
740 - 470 = 270
7200 ÷ 900 = 8
160 × 5 = 800
6 × 19 = 114
180 ÷ 3 = 60
920 - 630 = 290
8100 ÷ 300 = 27
609 - 119 = 490
970 ÷ 10 = 97
80 + 368 = 448
130 × 5 = 650
500 × 40 = 20000
960 ÷ 16 = 60
6 + 699 = 705
190 + 350 = 540
99 × 0 = 0
530 - 350 = 180
130 × 2 = 260

列竖式计算
236 × 78 =
250 × 48 =
2460 ÷ 12 =
3293 ÷ 89 =

236×78=18408
250×48=12000
2460÷12=205
3293÷89=37