【混合运算】(每题1分,共60分)
$34 + 34 - 34 = $ $24 + 13 - 7 = $ $56 - 34 - 11 = $
$23 + 27 + 11 = $ $44 + 6 + 14 = $ $56 + 30 - 16 = $
$27 ÷ 9 × 5 = $ $9 × 7 - 5 = $ $(12 - 6) ÷ 2 = $
$48 ÷ 6 ÷ 4 = $ $2 × 2 × 5 = $ $81 - 31 - 34 = $
$40 ÷ 8 ÷ 1 = $ $31 + 5 + 14 = $ $56 ÷ 7 ÷ 2 = $
$15 - 3 × 5 = $ $31 + 23 + 6 = $ $9 × 3 - 12 = $
$(2 + 1) × 3 = $ $8 + 32 ÷ 8 = $ $40 ÷ 5 × 7 = $
$14 + 0 + 35 = $ $2 × 2 × 2 = $ $24 ÷ 4 + 2 = $
$14 + 16 ÷ 2 = $ $27 - 56 ÷ 8 = $ $72 ÷ (2 × 4) = $
$4 × 6 ÷ 3 = $ $(13 - 7) × 6 = $ $40 + (23 - 21) = $
$45 - 6 × 7 = $ $(48 - 32) ÷ 4 = $ $(6 + 2) × 6 = $
$100 - (35 + 15) = $ $7 × (6 ÷ 3) = $ $24 + (13 - 7) = $
$63 ÷ 9 × 7 = $ $89 + 11 - 50 = $ $36 ÷ 9 × 4 = $
$9 × 2 ÷ 3 = $ $3 + 14 + 9 = $ $4 × 6 ÷ 8 = $
$6 × 6 - 3 = $ $36 ÷ 6 × 9 = $ $72 ÷ 9 ÷ 4 = $
$99 - 44 - 55 = $ $5 × (64 ÷ 8) = $ $76 - 46 + 30 = $
$87 - 27 + 40 = $ $45 + 5 + 50 = $ $45 ÷ 9 + 45 = $
$4 × 5 - 3 = $ $13 + 17 + 4 = $ $14 ÷ (49 ÷ 7) = $
$(10 - 4) × 2 = $ $23 - 13 + 10 = $ $78 - 18 - 20 = $
$56 - (36 + 20) = $ $2 × 9 ÷ 3 = $ $54 - 24 - 15 = $

34 30 11
61 64 70
15 58 3
2 20 16
5 50 4
0 60 15
9 12 56
49 8 8
22 20 9
8 36 42
3 4 48
50 14 30
49 50 16
6 26 3
33 54 2
0 40 60
100 100 50
17 34 2
12 20 40
0 6 15