分数加法

3 + 58 = ____
23 + 212 = ____
810 + 5 = ____
2 + 36 = ____
13 + 911 = ____
23 + 2 = ____
5 + 67 = ____
23 + 19 = ____
48 + 2 = ____
4 + 13 = ____
46 + 12 = ____
48 + 1 = ____

分数乘法

3 × 1112 = ____
311 × 610 = ____
36 × 2 = ____
5 × 16 = ____
712 × 13 = ____
12 × 5 = ____
2 × 27 = ____
12 × 210 = ____
411 × 2 = ____
2 × 710 = ____
36 × 512 = ____
212 × 3 = ____

分数混合运算

210 + 13 × 12
(45 − 16) × 79
67 − 12 + 24
39 × (78 + 69)
78 + 23 ÷ 35
12 − 24 × 78
(23 + 57) ÷ 112
37 × 34 + 47
712 − 13 × 35
611 × 312 + 13
(12 − 13) ÷ 79
12 + 79 × 27