小升初简便计算题100道（专项训练）-2023-2024学年人教版六年级下册

六年级小升初简便计算100道 1 学科网（北京）股份有限公司 一、用简便方法计算下列各题. (1) 63×60%＋×37 (2) 50%×2.5××64 (3) 500×75%×(1÷25%) (4) 4.75－9.63+(8.25－1.37) (5) 6.73－2 +(3.27－1) (6) 7－(3.8+1) －1 (7) 14.15－(7－6) －2.125 (8) 13－(4+3) －0.75 (9) 314×3664×439 (10) 452.08+1.537.6 二、用简便方法计算下列各题. (11) 999×274+6274 (12) 333387×79+790×66661 (13) 3.5×1+125％+1÷ (14) 975×0.25+9×76－9.75 (15) 9×425+4.25÷ (16) 0.9999×0.7+0.1111×2.7 (17) 36×1.09+1.2×67.3 (18) 72×2.09－1.8×73.6 (19) 54×1.92+1.8×42.4 (20) 52×11.1+2.6×778 三、用简便方法计算下列各题. (21) 48×1.08+1.2×56.8 (22) 64×2.09－1.6×73.6 (23) 3×25＋37.9×6 (24) 6.8×16.8＋19.3×3.2 (25) 4.4×57.8＋45.3×5.6 (26) 5.6×15.8＋18.3×4.4 (27) (28) (29) 139×＋137× (30) ×(＋) ÷ 四、用简便方法计算下列各题. (31) ×+÷ (32) ×37 (33) 27× (34) ×8 (35) ×126 (36) 35× (37) 73× (38) ×2023 (39) 73× (40) 64× 五、用简便方法计算下列各题. (41) 22× (42) ×57 (43) 41×+51× (44) ×39+×27 (45) ×35+×17 (46) ×5+×5+×10 (47) ×+×+× (48) ×79+50×+× (49) ×+×+× (50) ×+×+×3 六、用简便方法计算下列各题. (51) ×+× (52) 166÷41 (53) 2022÷2022 (54) 54÷17 (55) 238÷238 (56) 163÷41 (57) (58) (59) (60) ― 七、用简便方法计算下列各题. (61) (9＋7) ÷(＋) (62) (＋1＋) ÷(＋＋) (63) (3＋1) ÷(1＋) (64) (96＋36) ÷(32＋12) (65) 77×13＋255×999＋510 (66) 156781994221996 (67) (68) (69) (70) 八、用简便方法计算下列各题. (71) (72) 53×57 (73) 4446 (74) 101×99 (75) 6×－×6+ ×6 (76) 53.3÷0.23÷0.91×16.1÷0.82 (77) 1234＋2341＋3412＋4123 (78) 2345+3452+4523+5234 (79) (80) 9999×7778＋3333×6666 九、用简便方法计算下列各题. (81) 78.161.453.1421.841690.7816 (82) 9.6+99.6+999.6+9999.6+99999.6 (83) 53.5×35.3＋53.5×43.2＋78.5×46.5 (84) 235×12.1＋235×42.2－135×54.3 (85) 3.75×735－×5730＋16.2×62.5 (86) 124.68＋324.68＋524.68＋724.68＋924.68 (87) 34.5×76.5－345×6.42－123×1.45 (88) 1152143134125116107988 (89) 81.515.8+81.551.8+67.618.5 (90) 211×555+445×789+555×789+211×445 十、用简便方法计算下列各题. (91) 200820072006200620072008 (92) 计算：+++…..+ (93) 1－+++ (94) +++……+ (95) +++……+ (96) 1－+－+－ (97) 1+－+－ (98) +++……+ (99) (1+++) ×(+++) －(1++++) ×(++) (100) (+++) ×(+++) －(++++) ×(++) 六年级小升初简便计算100道详解 (1) 63×60%＋×37 =×(63+37) =×100 =60 (2) 50%×2.5××64 =(×2) ×(2.5×4) ×(×8) =10 (3) 500×75%×(1÷25%) =500××4 =1500 (4) 4.75－9.63+(8.25－1.37) =4.75+8.25－(9.63+1.37) =13－11 =2 (5) 6.73－2 +(3.27－1) =(6.73+3.27) －(2 +1) =10－4 =6 (6) 7－(3.8+1) －1 =7－1－(3.8+1.2) =6－5 =1 (7) 14.15－(7－6) －2.125 =14.15+6.85－(7.875+2.125) =21－10 =11 (8) 13－(4+3) －0.75 =13－3－(4.25+0.75) =10－5 =5 (9) 314×36+64×439 =314×(100－64) +64439 =314100－64×(439－314) =314100－64×125 =31400－8×8×125 =31400－8000 =23400 (10) 45×2.08+1.5×37.6 =1.5×30×2.08+1.5×37.6 =1.5×(62.4+37.6) =1.5×100 =150 (11) 999×274+6274 =999×274+274+6000 =1000×274+6000 =274000+6000 =275000 (12) 333387×79+790×66661 =79×333387+79×10×66661 =79×(333387+666612) =79×1000000 =79000000 (13) 3.5×1+125％+1÷ =3.5×1.25+1.25+1.5×1.25 =(3.5+1+1.5) ×1.25 =6×1.25 =7.5 (14) 975×0.25+9×76－9.75 =9.75×25+9.75×76－9.75 =9.75×(25+76－1) =9.75×100 =975 (15) 9×425+4.25÷ =4.25×9.4×100+4.25×60 =4.25×(940+60) =4.25×1000 =4250 (16) 0.9999×0.7+0.1111×2.7 =0.9999×0.7+0.9999×0.3 =0.9999×(0.7+0.3) =0.9999×10 =9.999 (17) 36×1.09+1.2×67.3 =1.2×30×1.09+1.2×67.3 =1.2×(32.7+67.3) =1.2×100 =120 (18) 722.09－1.873.6 =1.8×40×2.09－1.8×73.6 =1.8×(83.6－73.6) =18 (19) 54×1.92+1.8×42.4 =1.8×30×1.92+1.8×42.4 =1.8×57.6+1.8×42.4 =1.8×(57.6+42.4) =1.8×100 =180 (20) 52×11.1+2.6×778 =2.6×20×11.1+2.6×778 =2.6×(222+778) =2.6×1000 =2600 (21) 48×1.08+1.2×56.8 =1.2×40×1.08+1.2×56.8 =1.2×43.2+1.1×56.8 =1.2×(43.2+56.8) =1.2×100 =120 (22) 64×2.09－1.6×73.6 =1.6×40×2.09－1.6×73.6 =1.6×83.6－1.6×73.6 =1.6×10 =16 (23) 3×25＋37.9×6 =3.6×25.4+37.9×6.4 =3.6×25.4+37.9×(10－3.6) =37.9×10－3.6×(37.9－25.4) =379－3.6×12.5 =379－0.9×4×12.5 =379－0.9×50 =379－45 =334 (24) 6.8×16.8＋19.3×3.2 =6.8×16.8+19.3×(10－6.8) =19.3×10－6.8×(19.3－16.8) =193－6.8×2.5 =193－1.7×4×2.5 =193－17 =176 (25) 4.4×57.8＋45.3×5.6 =4.4×57.8+45.3×(10－4.4) =45.3×10+4.4×(57.8－45.3) =453+4.4×12.5 =453+1.1×4×12.5 =453+1.1×50 =508 (26) 5.6×15.8＋18.3×4.4 =5.6×15.8+18.3×(10－5.6) =18.3×10－5.6×(18.3－15.8) =183－5.6×2.5 =183－1.4×4×2.5 =183－14 =169 (27) =×(+) =×2 = (28) =×(－) =×(－) =× = (29) 139×＋137× =139×(1－) ＋137× =139－×(139－137) =139－ =138 (30) ×(＋) ÷ =×(＋) × =×× = (31) ×+÷ =×(+) = (32) ×37 =(1－) ×37 =37－ =36 (33) 27× =(26+1) × =15+ =15 (34) ×8 =(1－ ) ×8 =8－ =7 (35) ×126 =×(125+1) =10+ =10 (36) 35× =(36－1) × =11－ =10 (37) 73× = 73×(1－) =73－ =72 (38) ×2023 =×(2022+1) =2021+ =2021 (39) 73× =(72+) × =9+ =9 (40) 64× =(63+) × =7+ =7 (41) 22× =(21+) × =1+ =1 (42) ×57 = ×(56+) =8+ =8 (43) 41×+51× =(40+) ×+(50+) × =30+1+40+1 =72 (44) ×39+×27 = ×(13+27) = ×40 =30 (45) ×35+×17 = ×(35+85) =×120 =20 (46) ×5+×5+×10 =×(1+5+2) =5 (47) ×+×+× =×(++) =× = (48) ×79+50×+× =×(79+10+) =×90 =50 (49) ×+×+× = ×(++) = × = (50) ×+×+×3 =×(++) =× = (51) ×+× =×(+) = (52) 166÷41 =(164+2) ÷41 =(164+) ÷41 =4+ =4 (53) 2022÷2022 =1÷(1+) = (54) 54÷17 =(51+) ÷17 =3+ =3 (55) 238÷238 =1÷(1+) = (56) 163÷41 =3 (57) = = =1 (58) = = = =1 (59) = = = =1 (60) ― =― =― =1― = (61) (9＋7) ÷(＋) =(＋) ÷(＋) =13 (62) (＋1＋) ÷(＋＋) =(＋＋) ÷(＋＋) =2 (63) (3＋1) ÷(1＋) =(＋) ÷(＋) = (64) (96＋36) ÷(32＋12) =3 (65) 77×13＋255×999＋510 =1001+255×999+255×2 =1001+255×1001 =256×1001 =256×1000+256 =256256 (66) 156781994221996 =78×2+78×1994+22×1996 =78×1996+22×1996 =100×1996 =199600 (67) =(100+99) ×(100－99) =199 (68) =(2023+2022) ×(2023－2022) =4045 (69) =(100+98) ×(100－98) =198×2 =396 (70) =(2023+2020) ×(2023－2020) =4043×3 =12129 (71) =(55+45) ×(55－45) =100×10 =1000 (72) 53×57 =(50+3) (50+7) =50×50+50×(3+7) +3×7 =50×60+3×7 =3021 (73) 44×46 =40×50+4×6 =2024 (74) 101×99 =(100+1) (100－1) =10000－1 =9999 (75) 6×－×6+ ×6 =6×(－+ ) =6×(+－－++ ) =6×(+ ) =2+1 =3 (76) 53.3÷0.23÷0.91×16.1÷0.82 =53.3×16.1÷0.23÷0.91÷0.82 =533×161×1000÷23÷91÷82 =(41×13×7×23) ×1000÷(23×13×7×41×2) =5000 (77) 1234＋2341＋3412＋4123 =(1+2+3+4) ×(1000+100+10+1) =10×1111 =11110 (78) 2345+3452+4523+5234 =(2+3+4+5) ×(1000+100+10+1) =14×1111 =15554 (79) = =(16×14×8) ÷(7×16×2) =8 (80) 9999×7778＋3333×6666 =9999×7778＋9999×2222=99990000 (81) 78.161.453.1421.841690.7816 =78.16×(1.45+1.69) +3.14×21.84 =78.16×3.14+3.14×21.84 =3.14×(78.16+21.84) =314 (82) 9.6+99.6+999.6+9999.6+99999.6 =10－0.4+100－0.4+1000－0.4+10000－0.4+100000－0.4 =111110－0.4×5 =111110－2 =111108 (83) 53.5×35.3＋53.5×43.2＋78.5×46.5 =53.5×(35.3+43.2) +78.5×46.5 =53.5×78.5+78.5×46.5 =78.5×(53.5+46.5) =7850 (84) 235×12.1＋235×42.2－135×54.3 =235×(12.1+42.2) －135×54.3 =235×54.3－135×54.3 =54.3×(235－135) =5430 (85) 3.75×735－×5730＋16.2×62.5 =3.75×(735－573) ＋16.2×62.5 =3.75×162+16.2×62.5 =162×(3.75+6.25) =1620 (86) 124.68＋324.68＋524.68＋724.68＋924.68 =(100+300+500+700+900) +24.68×5 =2500+123.4 =2623.4 (87) 34.5×76.5－345×6.42－123×1.45 =345×(7.65－6.42) －123×1.45 =345×1.23－123×1.45 =123×(3.45－1.45) =123×2 =246 (88) 1152143134125116107988 = (8－7) (8+7) (8－6) (8+6) +(8－5) (85) +……+88 = = =512－7×8×15÷6 =372 (89) 81.515.8+81.551.8+67.618.5 =81.5×(15.8+51.8) +67.618.5 =81.5×67.6+67.618.5 =67.6×(81.5+18.5) =6760 (90) 211×555+445×789+555×789+211×445 =211×(555+445) +789×(445+555) =1000×(211+789) =1000×1000 =1000000 (91) 200820072006－200620072008 =2008×(20070000+2006) －2006(20070000+2008) =2008×20070000－200620070000 =2×20070000 =40140000 (92) 计算：+++……+ = = = (93) 1－+++ = = = (94) +++……+ = = = (95) +++……+ = = = (96) 1－+－+－ = = = (97) 1+－+－ = = = (98) 记 ① 则 ② ②－①得： (99) (1+++) ×(+++) －(1++++) ×(++) 记， 则原式= = (100) (+++) ×(+++) －(++++) ×(++) 记， 则原式= = $$