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 )55+720 ÷(40-35 )(220-180 )÷ 8 36×( 28÷7+23 )(38+42)×( 525÷35)