三年级数学简便运算(1)284+(591+716)(2)153+178+122+547
(3)(141+229)+(371+659+1048)(4)926-348-152(5)1584-627-373+416(6)1276-(276+339)(7)4628-(1628-794)(8)526+498(9)803+488(10)938-299(11)836-402
(12)635+327+125+(363+240)(13)9999+999+99+9+6
(14)32+34+36+38+40+42+44+46+48(15)(1347-258)-(347+742)(16)3560-(474-440)-526
(17)12345+23451+34512+45123+51234 (18)5+10+15+20+…+95(19)5+6+7+8+…+103+104
(20)(2+4+6+...+100)-(1+3+5+ (99)四年级数学简便运(1)(78+61)+39(2)700-82-18
(3)348+163+242+410+537(4)125×47-47×25(5)201×316
(6)374-205+226-95(7)3000-999(8)997×7+21(9)87×470+870×53
(10)(55+55+55+55×5)×125(11)125×(8+40)×25(12)99+49×99(13)264×97+4×264
(14)454+999×999+545(15)9999×36+6666×3×32
(16)124×38+65×124+76×110-76×7 (17)62×4+44×5+5×18(18)3400-62×34-38×20-38×14(19)1992×19911991-1991×19901990(20(2+4+6+......+100)-(1+3+5+ (99)⼩数简便运算练习4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5+4.9-6.53.07-0.38-1.621.29+3.7+2.71+6.38-2.45-1.55
3.25+1.79-0.59+1.7523.4-0.8-13.4-7.20.32×4033.2+0.36+4.8+1.64
1.23+3.4-0.23+6.60.25×36
12.7-(3.7+0.84)36.54-1.76-4.540.25×0.73×47.6×0.8+0.2×7.60.85×1990.25×8.5×41.28×8.6+0.72×8.6
12.5×0.96×0.810.4-9.6×0.350.8×(4.3×1.25)3.12+3.12×9928.6×101-28.6(4.23+6.17)×0.80.86×15.7-0.86×14.72.4×10214-7.32-2.68
2.64+8.67+7.36+11.332.31×1.2×0.5(2.5-0.25)×0.49.16×1.5-0.5×9.163.6-3.6×0.54.5÷1.84.2÷3.5930÷0.6÷563.4÷2.5÷0.44.9÷1.43.9÷(1.3×5)(7.7+1.54)÷0.72.5×2.42.7÷45
0.35×1.25×2×0.832.4×0.9+0.1×32.415÷0.2570÷28
15÷(0.15×0.4)4.25÷2.5×9.9+0.17
⼈教版六年级数学简算.计算题4/9×3= 5÷1/3 = 1/2÷1/3 =21/25÷42= 4/5×3/4 = 8.7×0.2=4×0.25= 1/7×14= 2/3÷5/6=1.25×8= 3/5÷5/8= 6/7×3/2=6×8.8= 4/11÷4= 4/9×3/8=
5/3÷5= 0÷8/3= 4/7-2/3=2/7×2=41/12×4= 4÷3/16=12÷9/4= 75/8 ÷5= 12×16/9=2/3×3=8÷9/4 =5/3÷3/5 =
4/5×5/8=7/9×9/7=2.64+3.6= 2.4×50= 3500÷70= 2050-298=2+7÷9= 0.3÷3%= 286+198=314-202=526+301=223-99=
1/2×3/5=1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10=17÷1000= 0.56+0.4= 1.25×100= 5.6+99= 43×63/21=100÷25=1-0.93= 90-0.9= 18.3×1/3=
794-198= 68×25= 43.3-63/21 =72×125= 3001-1998=23/5×5/6 =20/3×12=1/2-1/6=30.25×4/5=5/6-1/2=1/2×1/5=4.25×4/25×457.26-(5.26-1.5)
106.25+3.85-2.125+3.875 11.9-2456×215/11-4×2.75
13.375+5.75+2.25+6.625 (15.1-9036)÷18163.8×5.25+14.5172.1×4.3+5.7×2.119.102×45-3282.8×3.1+16/823÷(50-12.5) ÷2.524×2/5×1/325.6÷110×47+6393.5×2.7-52.2/1828-1/7×1/5
3.375×0.97+0.97×6.625 6.54+2.4+3.46+0.6 95.6×1.8+95.6×8.2 35.6-420/12×4344/3.6-5.4×0.2516/2+30/2+90/65000-105×340.15/0.25+0.75×1.2
41×(1/2+1/3+1/4)×0.24 42×(25+4)×43×63/21-840.81/0.25+5.96×5403÷13×27
46.1.5×4.2-0.75÷0.253.27×4 +3.27×5.7
(1.2+ 1.8)×4.51025-768÷320.25×80-0.45÷0.950.1025-768÷3281.2-11÷7-×3=6696÷62-6.5×10.6 =2/7×3/9 ÷2/7 =6756-193-207=97×360+3×360=
4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8=
6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 =41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 =2/3×3=8÷9/4 =5/3÷3/5 =4/5×5/8 =7/9×9/7 =2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9=0.3÷3%= 81.2-11÷7-×3= 6696÷62-6.5×10.6 =1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10= 17÷1000=0.56+0.4= 1.25×100= 5.6+99=100÷25= 1-0.93= 90-0.9=
794-198= 68×25= 6756-193-207=72×125= 97×360+3×360=⼀、简算。
★1.1035-998 ★2.5076+99★3.3008+449 ★4.428×25×4
★★5.328-189-28 ★★6.43.2-(3.2-1.28)
★★17.25×2×1.25×4×5×8★★18.84×0.25+16÷4
⼆、改错,下⾯各题错在哪⾥,请改正。
★★2.5731-(731-525)=5731-731-525=5000-525=4475答案仅供参考:
⼆、略(1)888+999(2)58-92+42-8
(3)(88*125+125*12)*8(4)816-2304/72+8*3(5)3306*51/7(6)659-348/2(7)13-(2.65+3/7)(8)12*28/7
(9)(7/10)/3+(3/10)/(1/3)(10)0.007+0.993X4X5X1.8(11)(522+643*521)/(522*643-121)(12)341*99+314*1(13)0.56+0.41.
33333*6*11111+22222=(199998+2)*11111=200000*11111=22222000002.
1/2 +1/6 + 1/12 + 1/20 + 1/30 + 1/42 + 1/56
=1-1/2+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8 =7/83.
999 * 888 +888 * 777 + 777 * 666 + 666 * 555=111*111*(9*8+8*7+7*6+6*5)=111*111*(16*8+12*6)=111*111*200=12321*200=2464200
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