1 一、能简算的要简算 1 1 51 3 ×0
8- 54 ×2+31 52 ×80% 53 +0
4÷( 43 -1
5× 31 ) 1
25÷ 3 21 71 6 ÷[ 24×(1- 85 )+ 73 3 ] 27 -1 25 - 61 + 43 1 37 -0
2 + 1 36 - 52 3 6 ×(2 92 -1 43+1 25 ) 9÷[ 35 -( 3 91 0 × 51 3 + 52)] 1 51 ×( 87+ 61 )÷1 32 ( 5
4- 1 54 )÷[(1 2 03+0
65)×1 32 ] 0
7 × 53+ 52 ×0
7 8×( 83 + 65 )- 32 25 ×[1÷(21 01 -2
05)- 52 ] 2 07 ÷[( 65 - 31 )×3]× 32 35 ÷( 61 1 + 32 )×1 03 57 ÷ [( 32 + 61 )× 52 + 54 ] 4 53 - 1
4 ( 65 + 87 - 31 )×24 2 [3
2×(1— 85 )+ 3 53 ]×2121 173 +2154 +4 74 +3152 1
8× 41 + 2
2×25% 24×( 81 +61 —121 ) 105×13 - 1890÷18 (32 + 97 × 289 )÷121 0
8×99+0
8 3÷ 73 — 73 ÷3 7
65 5.98×0
65×[1÷(3101 —3
09)] 20×(43 — 51 ÷ 21 ) 64×5
36×567 (32 + 43 —61 )×24 75 ×16
31÷57 (85 +271 )×8+ 2719 1
5×32 21 + 31 — 21 + 31 4
85×3 53