12×2=
13×2=
14×2=
44×2=
33×3=
22×4=
21×2=
13×3=
32×3=
21×4=
23×2=
23×3=
42×2=
11×9=
12×4=
31×3=
4×11=
43×2=
34×2=
24×2=
80×4=
31×2=
600×5=
22×3=
|乘数|80|21|500|32|40|22|

|乘数|9|3|7|2|8|2|
|积|____|____|____|____|____|____|
13×2=
14×2=
44×2=
33×3=
22×4=
21×2=
13×3=
32×3=
21×4=
23×2=
23×3=
42×2=
11×9=
12×4=
31×3=
4×11=
43×2=
34×2=
24×2=
80×4=
31×2=
600×5=
22×3=
|乘数|80|21|500|32|40|22|
|乘数|9|3|7|2|8|2|
|积|____|____|____|____|____|____|
答案:
24 26 28 88 99 88 42 39 96 84 46 69 84 99 48 93 44 86 68 48 320 62 3000 66 720 63 3500 64 320 44
8×11+6
=____+____
=____
7×9+9
=____+____
=____
(507-486)×2
=____×____
=____
60×9-280
=____-____
=____
40×4+260
=____+____
=____
3000×3+750
=____+____
=____
建议用时8分钟
实际用时____分钟
做对____题/共36题
评价____
=____+____
=____
7×9+9
=____+____
=____
(507-486)×2
=____×____
=____
60×9-280
=____-____
=____
40×4+260
=____+____
=____
3000×3+750
=____+____
=____
建议用时8分钟
实际用时____分钟
做对____题/共36题
评价____
答案:
88 6 94 63 9 72 21 2 42 540 280 260 160 260 420 9000 750 9750
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