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专项练习二(简便运算之提公因式法)
(1)3.14×43+72×3.14-150×0.314
(2)2.28×5.26+4.56×1.13+11.4×0.496
(3)5.8×825+0.32×4.2-8÷25-32%
(4)(7.5×9.9+75×0.16-750×0.015)÷(12-13)×6
(5)(78.6-0.786×25+75%×21.4) ÷15×2015
(6) 43÷17.48×37-174.8×1.9+1.748×820
(7)49×37+51×62+51×37+49×62
(8)2013×20142014-2014×20132013
(9) 335×2345+5555÷25252+654.3×36
(10) 712+524-23×72-25×7.4+0.4×5.2-40%×2.6
(11) 76×123-153+23×153+176-123-176×53
(12) 227×45+229×6.2-5.8×229-15×229×920
(13) 927+729÷57+59
(14) 48×27-48×17+48×67×34-512+18
(15) 35+12-712×60×37-60×17+60×57
(16) 135×111×313+411×15×313-111×313×25
(17) 49×791617+40×19+19×417+3314÷9112
(18) 361923+63423×0.125+12×63423+63423×38
(19)1×2×3+3×6×9+7×14×211×3×5+3×9×15+7×21×35
(20)1×2×3+2×4×6+3×6×9+…+15×30×452×3×4+4×6×8+6×9×12+…30×45×60
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