2020 年成都市六年级下期 脱式计算(能简算的要简算)特训(4800÷75+36)×12102×45517+1905÷15-6292.5×4.42712-3543÷114×521÷1+0÷26+26÷1101-1×(88÷88+25×4)3.31-18.34÷7×0.58.8×1.25×100÷48.76-5.29-2.71+1.240.8×7.7+3.3×0.8-0.840+1.25×15×3.20.98×4.821.6-0.8×4÷0.8×419.98×37-199.8×1.9+1998×0.8280400-4832÷16×1501÷0.25+0.25÷1-2.5×0.119999+9999×999913.5×2+14×1724.5-(7.58+ 9553 )0.75÷0.5+0.04×510.125×5.6÷0.776×1.04+1.04×25-1.04(2÷(0.1×0.6+0.94)52 444121-)×21+()÷0.25×32×12.53 7524× 5143 1943 5118×( 12 6 79)7.5×2.37+25×0.18920-[( 12 13) 56]1235×(1- 4) 57125471016× 23 (9 18)15.64- 47 +4.36- 3760×( 5412 15 12)5.17-0.38-1.6224×10.5-3549÷39( 45 12 425) 3( 712 38) 24 59( 815 920 23) 1121.25×3.6+1.25×3.4+1.254523 7 723.14×5.3+3.14×4.783025÷27+93536.5-6.5×4.72108÷[( 5159342.4-2.5×0.4)3]24÷632.5×(1.92÷0.3-5.9)[24-4.8×(2 12 1.25)] 65( 74 34 34) 47.75-2.4+2.25-6.698.6-29.3+11.4-30.78107567.5314-(19.376-2.4686)12×1.43+0.57×12-12272÷16+204×6710 516 21325.3× 35 1.3 60%45 3.4 7.6 0.8 80%0.99+9.999+99.9(227÷25-4.68)÷0.113.7-0.25×(3-1.6)51112 2 3 2532.65×1.7+1.35×1(12.4×2.5-273111(1-15÷35)×() 48104234151)÷19(1.9-1.9×0.9)×(17.6-17.41)0.625×5.8+3.2 5292÷ 2330 49 6325 54 35 450.5×[10.6÷(4.5+ 45 )]( 12 13) 617 81260÷28+63×52( 56 10.68 7.32 556) 845377 7 7 9243 1 (1 5)88( 13 12) (2 32)5÷3-7×( 117 21)15.2×96+15.2×5-15.245 (13 215) 240.7×24.5+0.7×76.5-0.775%÷1.08÷(3.94+34.3×0.2)18.75×3.8-8.75×3.824×+76÷52100÷[56×(14133)]57 59 45 4795.6×18+0.4×181.75×0.8+9.2×1 341÷(3.25- 34 ÷0.6)55- 32 1021 2712×( 14 16 13 )82× 18137×1.25×76×8783.7×99+3.70.625×0.5+ 518 2 62.5%920 [12 (23 45)]168÷(4.3×2-0.4)5( 34 3 110) (1 13)9× 813 513 9 381.44÷[1.2×(0.742+0.458)]4.05-2.74-1.26(48+1100×30)÷7295.6×8+0.4÷0.1258100.65-45.63+9.35-14.3725× 19 35 910(99×99+99)÷0.9978×1990.072×87.5+8.75×0.2835×1.25×0.08×24- 25 815 14518 [(14 15) 34 ]240×0.25+0.25×4018.34÷7×0.518×( 1119 2 6)1÷(6.8- 35 ÷0.75)9÷2.5÷0.4920 [12 (23 45)3.7×99+3.71500-15×8066.25- 40÷16×2.58546-239×11+77514.58-1.58×8+31.2÷1.20.246×519+26.4×4.816.4×(1- ) 1.5311921[ ()]0.125×5.6÷0.743125 4 50( 815 920 23) 11286.25-1 8) ( 712 1195)98× 9697( 7312 8) 24 598105434 12.5 83 460×( 512 415 12)18×( 12 6 79)7(