五、简便运算（一）-【数学365计划】2026-2027学年四年级数学计算题专项练

第86天 45+39+61 336+335+465 845-122-123 158+77+142+43 》加减法简便计算 用时： 228+(72+189) 366+45+34 679+68+22 396-78-22 685-176-124 321-158-42 472+(28+149)+25 简便运算9 1⊙ 第87天 623-584-16 984-(284+135) 399-(35+199) 361+72+439+128 92小学四年级数学365计划 》加减法简便计算 用时： 254-(154+32) 481-327-73 378+426+122 935-419-281 463+235+365 528+(172+96) 842-242-154-346 第88天 298-44-156 892-(163+92) 148+265+52 385-185-78-22 》加减法简便计算 用时： 321+(279-155) 614-(114+27) 616-307-93 850-(394-50) 177+239+123 308+85+15 763-246-54-63 简便运算93 第89天 353+32+47 272-23-77 903-55-545 562+72+128+38 94小学四年级数学365计戈 》加减法简便计算 用时： 187-89-11 67+25+33 786-(23+186) 692-147-92 503-(48+203) 668+914-628 648-351-148-149 第90天 508-129-8 844-175-225 720-128-272 134+467+66+133 》加减法简便计算 用时： 817-209-117 329-147-29 666-109-291 634-150-250 1000-234-566 983-491-109 15+134+185+266 简便运算95 第91天 》》 38×25×4 42×125×8 (125×12)×8 42×39+42×61 ⊙96小学四年级数学365计划 乘法简便计算 用时： 49×4×5 25×17×4 (125×25)×4 5×289×2 125×(12×4) 187×50×2 123×34-23×34 第92天 (40+6)×25 302×38 48×25 25×97+25×3 乘法简便计算 102×76 125×24 125×80 35×49+65 用时： 125×(40+8) 125×64 (125+25)×8 ×49 简便运算97 第93天 》 乘法简便计算 25×36 8×(125×23) 67×99 64×125 48×101 43×99 125×197+125×4-125 48×36+48 ⊙98小学四年级数学365计划 用时： 32×25×125 89×101 704×25 ×63+48 第94天 (300+6)×12 99×16 49×25×4 75×77+125×77 》乘法简便计算 用时： 25×(4+2) 84×101 99×27 99×25 125×(8+20) 102×45 173×64-73×64 简便运算99 第95天 36×25 125×48 (26×125)×8 135×35-35×35 ⊙100小学四年级数学36 >》 乘法简便计算 301×79 4×63×25 99×101 25×32×8× 计划 用时： 25×32 236×5×20 199×34 125[175-(49+26)]×23 =[175-75]×23 =100×23 =2300 (158+225)-351÷9 =383-39 =344 960+[(32+16)×20] =960+[48×20] =960+960 =1920 [135-(45+55)]×11 =[135-100]×11 =35×11 =385 37+140×7÷49 =37+980÷49 =37+20 =57 (272+320)÷(92-55) =592÷37 =16 956-39÷13×50 =956-3×50 =956-150 =806 第84天 875÷35+17×31 =25+527 =552 (983-326)+45×12 =657+540 =1197 034小学四年级数学 160÷20+15×4 =8+60 =68 25×24÷(100-92) =25×24÷8 =600÷8 =75 320+[560-(123+ 77)] =320+[560-200] =320+360 =680 [840÷(21-7)]×12 =[840÷14]×12 =60×12 =720 55×[160÷(82-62)] =55×[160÷20] =55×8 =440 720÷[(108-90)×5] =720÷[18×5] =720÷90 =8 360-[(12+18)×10] =360-[30×10] =360-300 =60 [480-(160+80)]÷20 =[480-240]÷20 =240÷20 =12 365计划 21×(230-192÷4) 第85天 =21×(230-48) 64×(12+65÷13) =21×182 =64×(12+5) =3822 =64×17 120-60÷5×5 =1088 =120-12×5 164-13×5+85 =120-60 =164-65+85 =60 =99+85 第86天 =184 960÷(245-215)×3 45+39+61 =960÷30×3 =45+(39+61) =32×3 =45+100 =96 =145 (315×4-364)÷7 228+(72+189) =(1260-364)÷7 =(228+72)+189 =896÷7 =300+189 =128 =489 (20+120÷24)×8 366+45+34 =(20+5)×8 =(366+34)+45 =25×8 =400+45 =200 =445 288÷[(26-14)×8] 336+335+465 =288÷[12×8] =336+(335+465) =288÷96 =336+800 =3 =1136 (845-15×3)÷16 679+68+22 =(845-45)÷16 =679+(68+22) =800÷16 =679+90 =50 =769 178-145÷5×6 396-78-22 =178-29×6 =396-(78+22) =178-174 =396-100 =4 =296 845-122-123 =481-400 =845-(122+123) =81 =845-245 984-(284+135) =600 =984-284-135 685-176-124 =700-135 =685-(176+124) =565 =685-300 378+426+122 =385 =(378+122)+426 321-158-42 =500+426 =321-(158+42) =926 =321-200 935-419-281 =121 =935-(419+281) 158+77+142+43 =935-700 =(158+142)+(77+43) =235 =300+120 399-(35+199) =420 =399-199-35 472+(28+149)+25 =200-35 =(472+28)+149+ =165 25 463+235+365 =500+149+25 =463+(235+365) =649+25 =463+600 =674 =1063 528+(172+96) 第87天 =(528+172)+96 623-584-16 =700+96 =623-(584+16) =796 =623-600 361+72+439+128 =23 =(361+439)+(72+ 254-(154+32) 128) =254-154-32 =800+200 =100-32 =1000 =68 842-242-154-346 481-327-73 =(842-242)-(154 =481-(327+73) +346) =600-500 =300+239 =100 =539 308+85+15 第88天 =308+(85+15) 298-44-156 =308+100 =298-(44+156) =408 =298-200 385-185-78-22 =98 =(385-185)-(78+ 321+(279-155) 22) =(321+279)-155 =200-100 =600-155 =100 =445 763-246-54-63 614-(114+27) =(763-63)-(246+ =614-114-27 54) =500-27 =700-300 =473 =400 892-(163+92) 第89天 =892-92-163 =800-163 353+32+47 =637 =(353+47)+32 616-307-93 =400+32 =616-(307+93) =432 =616-400 187-89-11 =216 =187-(89+11) 850-(394-50) =187-100 =850+50-394 =87 =900-394 67+25+33 =506 =(67+33)+25 148+265+52 =100+25 =(148+52)+265 =125 =200+265 272-23-77 =465 =272-(23+77) 177+239+123 =272-100 =(177+123)+239 =172 参考答案 35o 786-(23+186) =500-129 =786-186-23 =371 =600-23 817-209-117 =577 =817-117-209 692-147-92 =700-209 =692-92-147 =491 =600-147 329-147-29 =453 =329-29-147 903-55-545 =300-147 =903-(55+545) =153 =903-600 844-175-225 =303 =844-(175+225) 503-(48+203) =844-400 =503-203-48 =444 =300-48 666-109-291 =252 =666-(109+291) 668+914-628 =666-400 =668-628+914 =266 =40+914 634-150-250 =954 =634-(150+250) 562+72+128+38 =634-400 =(562+38)+(72+ =234 128) 720-128-272 =600+200 =720-(128+272) =800 =720-400 648-351-148-149 =320 =(648-148)-(351+ 1000-234-566 149) =1000-(234+566) =500-500 =1000-800 =0 =200 983-491-109 第90天 =983-(491+109) 508-129-8 =983-600 =508-8-129 =383 036小学四年级数学365计划 134+467+66+133 =(134+66)+(467+ 133) =200+600 =800 15+134+185+266 =(15+185)+(134+ 266) =200+400 =600 第91天 38×25×4 =38×(25×4) =38×100 =3800 49×4×5 =49×(4×5) =49×20 =980 25×17×4 =25×4×17 =100×17 =1700 42×125×8 =42×(125×8) =42×1000 =42000 (125×25)×4 =125×(25×4) =125×100 =12500 5×289×2 =5×2×289 =10×289 =2890 (125×12)×8 =125×8×12 =1000×12 =12000 125×(12×4) =125×4×12 =500×12 =6000 187×50×2 =187×(50×2) =187×100 =18700 42×39+42×61 =42×(39+61) =42×100 =4200 123×34-23×34 =(123-23)×34 =100×34 =3400 第92天 (40+6)×25 =40×25+6×25 =1000+150 =1150 102×76 =(100+2)×76 =100×76+2×76 =7600+152 =7752 125×(40+8) 35×49+65×49 =125×40+125×8 =(35+65)×49 =5000+1000 =100×49 =6000 =4900 302×38 第93天 =(300+2)×38 =300×38+2×38 25×36 =11400+76 =25×4×9 =11476 =100×9 =900 125×24 8×(125×23) =125×8×3 =8×125×23 =1000×3 =1000×23 =3000 =23000 125×64 32×25×125 =125×8×8 =(4×25)×(8×125) =1000×8 =100×1000 =8000 =100000 48×25 67×99 =12×(4×25) =67×(100-1) =12×100 =67×100-67×1 =1200 =6700-67 125×80 =6633 =125×8×10 64×125 =1000×10 =8×(8×125) =10000 =8×1000 (125+25)×8 =8000 =125×8+25×8 89×101 =1000+200 =89×(100+1) =1200 =89×100+89×1 25×97+25×3 =8900+89 =25×(97+3) =8989 =25×100 48×101 =2500 =48×(100+1) =48×100+48×1 =4800+48 =4848 43×99 =43×100-43×1 =43×(100-1) =43×100-43×1 =4300-43 =4257 704×25 =(700+4)×25 =700×25+4×25 =17500+100 =17600 125×197+125×4-125 =125×(197+4-1) =125×200 =25000 48×36+48×63+48 =48×(36+63+1) =48×100 =4800 第94天 (300+6)×12 =300×12+6×12 =3600+72 =3672 25×(4+2) =25×4+25×2 =100+50 =150 84×101 =84×(100+1) =84×100+84×1 =8400+84 =8484 99×16 =(100-1)×16 =100×16-1×16 =1600-16 =1584 99×27 =(100-1)×27 =100×27-1×27 =2700-27 =2673 99×25 =(100-1)×25 =100×25-1×25 =2500-25 =2475 49×25×4 =49×(25×4) =49×100 =4900 125×(8+20) =125×8+125×20 =1000+2500 =3500 102×45 =(100+2)×45 =100×45+2×45 =4500+90 =4590 75×77+125×77 =(75+125)×77 =200×77 =15400 参考答案37⊙ 173×64-73×64 99×101 =(173-73)×64 =99×(100+1) =100×64 =99×100+99×1 =6400 =9900+99 =9999 第95天 199×34 36×25 =(200-1)×34 =9×(4×25) =200×34-1×34 =9×100 =6800-34 =900 =6766 301×79 135×35-35×35 =(300+1)×79 =(135-35)×35 =300×79+1×79 =100×35 =23700+79 =3500 =23779 25×32×8×125 25×32 =(25×4×8)×(8》 =25×4×8 125) =100×8 =800×1000 =800 =800000 125×48 第96天 =125×8×6 =1000×6 5×51×20 =6000 =5×20×51 4×63×25 =100×51 =4×25×63 =5100 =100×63 25×68×4 =6300 =25×4×68 236×5×20 =100×68 =236×(5×20) =6800 =236×100 (40-8)×25 =23600 =40×25-8×25 (26×125)×8 =1000-200 =26×(125×8) =800 =26×1000 23×(400-7) =26000 =23×400-23×7 ⊙38小学四年级数学365计划 =9200-161 =9039 4600÷25÷4 =4600÷(25×4) =4600÷100 =46 280÷8÷5 =280÷(8×5) =280÷40 =7 3000÷75÷4 =3000÷(75×4) =3000÷300 =10 360÷5÷4 =360÷(5×4) =360÷20 =18 560÷35 =560÷7÷5 =80÷5 =16 125×(4+8)×25 =125×4×25+125×8× 25 =12500+25000 =37500 (940+470)÷47 =940÷47+470÷47 =20+10 =30 第97天 578-(278-145) =578-278+145 =300+145 =445 6300÷(63×5) =6300÷63÷5 =100÷5 =20 84×11-84 =84×(11-1) =84×10 =840 396+58-96 =396-96+58 =300+58 =358 199×24 =(200-1)×24 =200×24-1×24 =4800-24 =4776 210÷(7×6) =210÷7÷6 =30÷6 =5 600÷12÷5 =600÷(12×5) =600÷60 =10 37+22+63+145 =(37+63)+22+145 =100+22+145 =122+145 =267 17×99+17 =17×(99+1)