分数加法
4 + 23 = ____
212 + 12 = ____
26 + 5 = ____
4 + 48 = ____
23 + 15 = ____
57 + 4 = ____
1 + 410 = ____
48 + 34 = ____
37 + 3 = ____
4 + 210 = ____
24 + 57 = ____
910 + 1 = ____
分数乘法
3 × 23 = ____
512 × 25 = ____
12 × 4 = ____
2 × 411 = ____
25 × 17 = ____
15 × 3 = ____
2 × 910 = ____
411 × 1012 = ____
34 × 3 = ____
4 × 512 = ____
47 × 12 = ____
29 × 2 = ____
分数混合运算
23 + 211 × 58
(912 − 16) × 24
911 − 49 + 12
810 × (36 + 711)
27 + 67 ÷ 13
12 − 17 × 912
(59 + 510) ÷ 311
34 × 111 + 12
47 − 13 × 12
511 × 23 + 810
(23 − 29) ÷ 710
710 + 411 × 711