五、简便运算（三）-【数学365计划】2026-2027学年四年级数学计算题专项练

第106天 125×(8×43) (40+4)×25 35×37+65×37 18×82+18×47+1 》》 简便计算 49×40×25 125×(80-8) 82×15+15×18 8×71 72×32+ 用时： (50×115)×4 4×(25+22) 61×102-2×61 72×63+72×5 简便运算111⊙ 第107天 99×67 101×78 108×84 28×25+76×28-28 ⊙112小学四年级数学365计划 简便计算 用时： 35×99 45×99 32×102 202×33 103×25 198×25 29×39+39+20×39 第108天 933-75-525 13×25×8 211+351+189 168+509+91+132 简便计算 51×25×4 27×93+33×93 720÷15÷4 146×82 用时： 37×49+37 89×81+81 8×9×125 -126×82 简便运算113⊙ 第109天 755-487-213 311+515-231 16×21×5 566+67+234 ⊙114小学四年级数学36 》》 简便计算 4×77×25 503-(92+103) 68×101 112×99 计划 用时： 93×71-93 184×89-154×89 49×35+35 -198×6 第110天 》》 645-180-245 998+98+8 4×39×25 (39+39+39+39)×25 简便计算 101×99 933-75-25 17×5×8 429×18 用时： 640÷16 99×77 720÷2÷5 429×3+85×429 简便运算115⊙ 第111天 》》 125×(8+80) 120×125 8100÷(81×4) 379×103-3×379 ⊙116小学四年级数学365计划 简便计算 49×102 7400÷4÷25 56×45÷56×45 (25×125) 用时： 999×99 25×(32×6) 69×42+69×57+69 ×4×8 第112天 57×38-57×8 (125+5)×8 23×12-23×2 44×24+22×152 》》 简便计算 56×99+56 41×199+41 20×201-20 46×82-2 用时： 12×99 56×99 (24+7)×5 3×4 简便运算117© 第113天 》 19×301 81×22-81×2 65×74-65×4 26×46-13×12 ⊙118小学四年级数学365计划 简便计算 12×45-12×5 51×99+51 25×24-25×4 80×54+4 用时： (45+7)×2 19×299+19 44×101-44 0×92 第114天 39×101 75×299+75 15×(20+3) 35×68+68+68×64 简便计算 125×88 (125+17)×8 201×24 17×25+1 用时： 38×29+38 (80+4)×25 44×25 7×34+59×83 简便运算119⊙ 第115天 》》 简便计算 25×405 653-498 80÷5÷8 15×(100+6) 4×58×25 49×90+49×110 310×62+380×31 14×47+54 ⊙120小学四年级数学365计划 用时： 463-136-164 492-405 196+355 ×14-14201×39-39 78+78×99 =39×(201-1) =78×(1+99) =39×200 =78×100 =7800 =7800 125×9×8 35×98 =125×8×9 =35×(100-2) =1000×9 =35×100-35×2 =9000 =3500-70 99×87 =3430 =(100-1)×87 155+63+45 =100×87-1×87 =155+45+63 =8700-87 =200+63 =8613 =263 78×21+78×78+78 25×440 =78×(21+78+1) =25×4×110 =78×100 =100×110 =7800 =11000 125×808 46+46×99 =125×(800+8) =46×(1+99) =125×800+125×8 =46×100 =100000+1000 =4600 =101000 365-(65+118) =365-65-118 第104天 =300-118 84×125 =182 =(80+4)×125 25×32×125 =80×125+4×125 =(25×4)×(8×125) =10000+500 =100×1000 =10500 =100000 47×102 12×96+48 =47×(100+2) =12×96+12×4 =47×100+47×2 =12×(96+4) =4700+94 =12×100 =4794 =1200 26×14+26×8+22×4 99+47 =26×(14+8)+22×4 =100-1+47 =26×22+22×4 =147-1 =(26+4)×22 =146 =30×22 1200-624-76 =660 =1200-(624+76) =1200-700 第105天 =500 98×199 75×23+23×25 =98×(200-1) =(75+25)×23 =98×200-98×1 =100×23 =19600-98 =2300 =19502 106×99-198×3 25×35×4 =106×99-99×6 =25×4×35 =(106-6)×99 =100×35 =100×99 =3500 =9900 295+306-95 9+99+999 =295-95+306 =(10-1)+(100-1) =200+306 +(1000-1) =506 =1110-3 98×65+130 =1107 =98×65+2×65 第106天 =(98+2)×65 =100×65 125×(8×43) =6500 =(125×8)×43 125×32×75 =1000×43 =(125×8)×(4×75) =43000 =1000×300 49×40×25 =300000 =49×(40×25) 199+207-99 =49×1000 =199-99+207 =49000 =100+207 (50×115)×4 =307 =(50×4)×115 参考答案 41o =200×115 第107天 =23000 (40+4)×25 99×67 =40×25+4×25 =(100-1)×67 =1000+100 =100×67-1×67 =1100 =6700-67 =6633 125×(80-8) =125×80-125×8 35×99 =35×(100-1) =10000-1000 =35×100-35×1 =9000 =3500-35 4×(25+22) =3465 =4×25+4×22 45×99 =100+88 =45×(100-1) =188 =45×100-45×1 35×37+65×37 =4500-45 =(35+65)×37 =4455 =100×37 101×78 =3700 =(100+1)×78 82×15+15×18 =100×78+1×78 =(82+18)×15 =7800+78 =100×15 =7878 =1500 32×102 61×102-2×61 =32×(100+2) =61×(102-2) =32×100+32×2 =61×100 =3200+64 =6100 =3264 18×82+18×47+18×71 202×33 =18×(82+47+71) =(200+2)×33 =18×200 200×33+2×33 =3600 =6600+66 72×32+72×63+72×5 =6666 =72×(32+63+5) 108×84 =72×100 =(100+8)×84 =7200 =100×84+8×84 042小学四年级数学365计划 =8400+672 =9072 103×25 =(100+3)×25 =100×25+3×25 =2500+75 =2575 198×25 =(200-2)×25 =200×25-2×25 =5000-50 =4950 28×25+76×28-28 =28×(25+76-1) =28×100 =2800 29×39+39+20×39 =39×(29+1+20) =39×50 =1950 第108天 933-75-525 =933-(75+525) =933-600 =333 51×25×4 =51×(25×4) =51×100 =5100 37×49+37 =37×(49+1) =37×50 =1850 13×25×8 =13×(25×8) =13×200 =2600 27×93+33×93 =(27+33)×93 =60×93 =5580 89×81+81 =81×(89+1) =81×90 =7290 211+351+189 =211+189+351 =400+351 =751 720÷15÷4 =720÷（15×4) =720÷60 =12 8×9×125 =8×125×9 =1000×9 =9000 168+509+91+132 =(168+132)+(509+ 91) =300+600 =900 146×82-126×82 =(146-126)×82 =20×82 =1640 第109天 755-487-213 =755-(487+213) =755-700 =55 4×77×25 112×99-198×6 =4×25×77 =112×99-99×12 =100×77 =(112-12)×99 =7700 =100×99 93×71-93 =9900 =93×(71-1) =93×70 第110天 =6510 645-180-245 311+515-231 =645-245-180 =311-231+515 =400-180 =80+515 =220 =595 101×99 503-(92+103) =(100+1)×99 =503-103-92 =100×99+1×99 =400-92 =9900+99 =308 =9999 184×89-154×89 640÷16 =(184-154)×89 =640÷8÷2 =30×89 =80÷2 =2670 =40 16×21×5 998+98+8 =16×5×21 =(1000-2)+(100 =80×21 2)+8 =1680 =1100-4+8 68×101 =-1104 =68×(100+1) =68×100+68×1 933-75-25 =6800+68 =933-(75+25) =6868 =933-100 49×35+35 =833 =(49+1)×35 99×77 =50×35 =(100-1)×77 =1750 =100×77-1×77 566+67+234 =7700-77 =566+234+67 =7623 =800+67 4×39×25 =867 =4×25×39 (SzI×8)×SI= SzI×0ZI [0686= 666-00666= (I-00I)×666= 66×666 866五= 86+006币= Z×6五+00I×6五= (?+00[)×6= Z0L×6 000LL= 0000L+000L= 08×9乙I+8×9ZI= (08+8)×9zL ￥III, 0067五= 00L×6Z五= (S8+8-8I)×6z币= 6Z五×98 +8×6Zb-8I×6Z五 0068= 00L×68= (Sz×)×68= 9Z×币×68= 9Z×(68+68+68+68) L= 0L÷0ZL= (9×z)÷0zL= S÷乙÷0Z2 089= 0b×2I= (8×S)×LI= 8X9XLI 0068= 68×00I= =15×1000 =15000 7400÷4÷25 =7400÷(4×25) =7400÷100 =74 25×(32×6) =(25×4)×8×6 =100×48 =4800 8100÷(81×4) =8100÷81÷4 =100÷4 =25 56×45÷56×45 =(56÷56)×(45× 45) =1×2025 =2025 69×42+69×57+69 =69×(42+57+1) =69×100 =6900 379×103-3×379 =379×(103-3) =379×100 =37900 (25×125)×4×8 =(25×4)×(125×8) =100×1000 =100000 第112天 57×38-57×8 =57×(38-8) =57×30 =1710 参考答案43⊙ 56×99+56 =44×(24+76) =56×(99+1) =44×100 =56×100 =4400 =5600 46×82-23×4 12×99 =46×82-46×2 =12×(100-1) =46×(82-2) =12×100-12×1 =46×80 =1200-12 =3680 =1188 (125+5)×8 第113天 =125×8+5×8 19×301 =1000+40 =19×(300+1) =1040 =19×300+19×1 41×199+41 =5700+19 =41×(199+1) =5719 =41×200 12×45-12×5 =8200 =12×(45-5) 56×99 =12×40 =56×(100-1) =480 =56×100-56×1 (45+7)×2 =5600-56 45×2+7×2 =5544 =90+14 23×12-23×2 =104 =23×(12-2) 81×22-81×2 =23×10 =81×(22-2) =230 20×201-20 =81×20 =20×(201-1) =1620 =20×200 51×99+51 =4000 =51×(99+1) (24+7)×5 =51×100 =24×5+7×5 =5100 =120+35 19×299+19 =155 =19×(299+1) 44×24+22×152 =19×300 =44×24+44×76 =5700 ⊙44小学四年级数学365计划 (T+6Z)X88= 88+6Z×88 000IL= LI×000I= LI×8×SZL= 88×SzL 6868= 68+0068= L×68+00L×68= (T+00I)×68= I0I×68 ￥II, 0008= 00z×0b= (Z6+80I)×0b= 乙6×0F+80L×0= Z6×0+9×08 00L= 08×8I= (?I-Z6)×8I= ZL×8I-Z6X8I= zI×8I-9b×9z 00bb= 00[×bb= (L-L0[)×b= bb-IOI×bb 00S= 0Z×9z= (-z)×Sz= 五XSZ-ZXSZ OSS= 0L×S9= (五-五)×S9= 五×99-Fㄥ×S9 =38×30 =1140 75×299+75 =75×(299+1) =75×300 =22500 (125+17)×8 =125×8+17×8 =1000+136 =1136 (80+4)×25 =80×25+4×25 =2000+100 =2100 15×(20+3) =15×20+15×3 =300+45 =345 201×24 =(200+1)×24 =200×24+1×24 =4800+24 =4824 44×25 =11×(4×25) =11×100 =1100 35×68+68+68×64 =68×(35+1+64) =68×100 =6800 17×25+17×34+59×83 =17×(25+34)+59×83 =17×59+59×83 =59×(17+83) =59×100 49×90+49×110 29.19+14=43.19 =5900 =49×(90+110) 29.19 =49×200 +114 第115天 43.19 =9800 25×405 196+355 25-17.54=7.46 =25×(400+5) =200-4+355 25.00 17.54 =25×400+25×5 =555-4 7.46 =10000+125 =551 =10125 310×62+380×31 7.7+8.32=16.02 653-498 =310×62+38×310 7.7 18.32 =653-(500-2) =310×(62+38) 16.02 =653-500+2 =310×100 51.5+3.44=54.94 =153+2 =31000 51.5 =155 14×47+54×14-14 3.44 463-136-164 =14×(47+54-1) 54.94 =463-(136+164) =14×100 19.4-2.58=16.82 =463-300 =1400 1940 =163 第116天 2.58 80÷5÷8 16.82 6.35+1.29=7.64 =80÷8÷5 78.49+11.5=89.99 6.35 =10÷5 78.49 +1.219 +11.5 =2 7.64 89.99 15×(100+6) 4.62+15.38=20 =15×100+15×6 0.88+5.88=6.76 4.62 0.88 =1500+90 +115.318 +5.818 =1590 20.00 6.76 492-405 9.12-3.87=5.25 0.71-0.21=0.5 =492-400-5 9.i2 0.71 =92-5 3.87 0.21 =87 5.25 0.50 4×58×25 15.62-0.97=14.65 27.03-7.69=19.34 =4×25×58 15.62 27.03 =100×58 0.97 7.69 =5800 14.65 19.34 69.47-54.8=14.67 6947 -54.8 14.67 11.23+1.23=12.46 11.23 +1.23 12.46 第117天 24-3.63=20.37 2400 3.63 20.37 3.49+6.75=10.24 3.49 +161.715 10.24 52.2-30.68=21.52 5 2.20 -30.68 21.52 98+11.93=109.93 98 +111.93 109.93 87.93-64=23.93 87.93 -64 23.93 5.23+4.07=9.3 5.23 +4.017 9.30 参考答案45⊙