2800÷ 100+789 (947-599)+7× 64 36× (15-276÷ 23) (93+25× 21)× 9 723-(521+504)÷ 25 (39-21)× (396÷ 6) 507÷ 13× 63+498 384÷ 12+3× 31 [37—(7+6)] × 30 16× [(17-8)÷ 3] 28× (5+96÷ 32) 81÷ [(72-54)× 9] 57× 12-560÷ 35 848-640÷ 16× 12 960÷(1500-32× 45) [192-(54+38)]× 6 (12+24+80)× 50 32× (25+125) 123× 18-123× 3+85× 123 25× (24+16) 178× 99+178 (140-70)× 54 63+84× 2÷ 42 490÷ 7+24× 5 45+240÷12 15×7+85×7 (46-20)×30-90 25×27×4 (40-4)×25 2400÷80-14×2 108-(83+360÷60) (420+48)÷(375-345) 290-(34×3+99) 142-54÷9+14 75×4×25 16×76-76×6 720÷36÷2 99×53+53 450-2×(16+9) 245-(45+39) 125×(8×4)×5 41×25-25 420÷(205-198)×4 460÷(29-18÷3) (960-400)÷70 (140-70)×54 63+84×2÷42 490÷7+24×5 26×6-110 15×7+85×7 (46-20)×30-90 (40-4)×25 2400÷80-14×2 108-(83+360÷60) (420+48)÷(375-345) 290-(34×3+99) 142-54÷9+14 16×76-76×6 99×53+53 450-2×(16+9) 245-(45+39) 125×(8×4)×5 41×25-25 420÷(205-198)×4 460÷(29-18÷3) (960-400)÷70 45+240÷12 124+78+22 100-35-25 (140-70)×54 63+84×2÷42 490÷7+24×5 26×6-110 (46-20)×30-90 15×7+85×7 (40-4)×25 2400÷80-14×2 108-(83+360÷60) (420+48)÷(375-345) 290-(34×3+99) 142-54÷9+14 16×76-76×6 99×53+53 450-2×(16+9) 245-(45+39) 41×25-25 420÷(205-198)X4 460÷(29-18÷3) (960-400)÷70 43+315÷5 426-279÷3 98-19×4+62 51+121×7 84×3-136÷8 (32+28)×6 325÷13×(266-250) 5 5 +7 2 0 ÷(4 0 -3 5 ) (2 2 0 -1 8 0 )÷8 3 6 ×(2 8 ÷7 +2 3 ) (3 8 +4 2 )×(5 2 5 ÷3 5 ) (1 3 5 -7 2 )÷7 7 2 1 ÷7 ×5 2 8 ×(2 4 6 ÷6 -3 2 ) 3 4 0 -2 4 0 ÷2 0 ×5 (5 8 +1 2 )×(9 6 ÷8 ) 1 0 6 ×6 ÷3 2 4 ÷8 ×3 0 2 5 2 ÷4...