四年级简便计算12道题 小学四年级简便计算题大全

\u56db\u5e74\u7ea7\u6570\u5b66\u4e0b\u518c\u7b80\u4fbf\u8ba1\u7b97\u98981000\u9053

\u8fd0\u7528\u4e58\u6cd5\u5206\u914d\u5f8b\uff0c\u4e58\u6cd5\u7ed3\u5408\u5f8b\u6c42\u89e3\u3002
\uff081\uff09300\u00f7125\u00f78=300\u00f7\uff08125\u00d78\uff09=300\u00f71000=0.3
\uff082\uff09396-96-172-28 =\uff08396-96\uff09-\uff08172+28\uff09= 300-200 = 100
\uff083\uff09125*24 = 125*8*3 = 1000*3 = 3000
\uff084\uff0926*15 = \uff0820+6\uff09*15 = 20*15 + 6*15 = 300+90 =390
\uff085\uff0925*99*4 = 25*4*99 = 100*99 = 9900
\uff086\uff09250*32 = 250*4*8 = 1000*8 = 8000

\u4e00\u5b9a\u8981\u628a\u62ec\u53f7\u5916\u7684\u6570\u5206\u522b\u4e58\u62ec\u53f7\u91cc\u7684\u4e24\u4e2a\u6570\uff0c\u518d\u628a\u79ef\u76f8\u52a0\u6216\u76f8\u51cf\u3002
\uff088+40\uff09\u00d725 125\u00d7\uff088+80\uff09 48\u00d7\uff085+100\uff09 24\u00d7\uff082+10\uff09 75\u00d7\uff081000\u2014 2\uff09 15\u00d7\uff0840\u2014 8\uff09
\u4f8b\u5982\uff1a
\uff081\uff092.64\u00d751.9+264\u00d70.481
=264\u00d70.519+264\u00d70.481
=264\u00d7(0.519+0.481)
=264\u00d71
=264
\uff082\uff099.16\u00d71.53-0.053\u00d791.6
=9.16\u00d71.53-0.53\u00d79.16
=9.16\u00d7(1.53-0.53)
=9.16\u00d71
=9.16
\u7b80\u4fbf\u8ba1\u7b97
\u7b80\u4fbf\u8ba1\u7b97\u4e2d\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4e58\u6cd5\u5206\u914d\u5f8b\u3002\u4e58\u6cd5\u5206\u914d\u5f8b\u6307\u7684\u662fax(b+c)=axb+axc\u5176\u4e2da,b,c\u662f\u4efb\u610f\u5b9e\u6570\u3002\u76f8\u53cd\u7684\uff0caxb+axc=ax(b+c)\u53eb\u505a\u4e58\u6cd5\u5206\u914d\u5f8b\u7684\u9006\u8fd0\u7528\uff08\u4e5f\u53eb\u63d0\u53d6\u516c\u7ea6\u6570\uff09\uff0c\u5c24\u5176\u662fa\u4e0eb\u4e92\u4e3a\u8865\u6570\u65f6\uff0c\u8fd9\u79cd\u65b9\u6cd5\u66f4\u6709\u7528\u3002
\u4e5f\u6709\u65f6\u7528\u5230\u4e86\u52a0\u6cd5\u7ed3\u5408\u5f8b\uff0c\u6bd4\u5982a+b+c\uff0cb\u548cc\u4e92\u4e3a\u8865\u6570\uff0c\u5c31\u53ef\u4ee5\u628ab\u548cc\u7ed3\u5408\u8d77\u6765\uff0c\u518d\u4e0ea\u76f8\u4e58\u3002\u5982\u5c06\u4e0a\u5f0f\u4e2d\u7684+\u53d8\u4e3ax\uff0c\u8fd0\u7528\u4e58\u6cd5\u7ed3\u5408\u5f8b\u4e5f\u53ef\u7b80\u4fbf\u8ba1\u7b97\u3002

四年级数学简便计算题及答案: 1)125 ×(17 × 8)× 4 2)375 × 480 + 6250 × 48 = 125×8×4×17 =480×(375+625) =1000×68 =480000 =68000
3)25 × 16 ×125 4)13 × 99 =25×2×8×125 =13×(100-1) =50000 =1300-13 =1287
5)75000 ÷ 125 ÷ 15 6)7900 ÷ 4 ÷ 25 =75×1000÷125÷15 =7900÷(4×25) =75÷15×1000÷125 =79 =5×8 =40
7)150 × 40 ÷ 50 8)5600 ÷(25 × 7) =150÷50×40 =56×100÷25÷7 =3×40 =56÷7×100÷25 =120 =32
9)210 ÷ 42 × 6 10)39600 ÷ 25 =210÷7÷6×6 =396×100÷25 =30 =396×4 =1584
11)67 × 21 +18 × 21 + 85 × 79 12)321 × 81 + 321 × 19 =21×(67+18)+85×79 =321×(81+19) =21×85+85×79 =32100 =85×(21+79) =8500
13)222222 × 999999 14)333333 × 333333 =222222×(1000000-1) =111111×999999
=222222000000-222222 =111111×(1000000-1) =222221777778 =111111000000-111111 =111110888889
15)56000 ÷ (14000 ÷ 16) 16)654321 × 909090 +654321×90909 =56000÷14000×16 =654321×999999 =4×16 =654321×(100000-1) =64 =654321000000-654321 =654320345679
17)34 × 3535 -35 × 3434 18)27000 ÷ 125
=34×35×101-35×34×101 =27×1000÷125 =0 =0 =216

19)345345 ÷ 15015 20)347 + 358 + 352 + 349 =345×1001÷(15×1001) =350×4-3+8+2-1 =345÷15×1001÷1001 =1400+6 =23 =1406
21)75 × 45 + 17 × 25 22) 599996 + 49997 + 3998 + 407 + 89 =25×3×45+17×25 =600000+50000+4000-4-3-2+407+89 =25×(135+17) =65400+487 =25×152 =65887 =25×4×38 =3800 23)(48 × 75 ×81)÷(24 × 25 × 27) =48÷24×75÷25×81÷27 =2×3×3 =18
1、56+31+24=(56+24)+31=80+31=1112、615+475+125=615+(475+125)=615+600=12153、125×64=125×8×8=1000×8=80004、89+101+111=101+(89+111)=101+200=3015、24+127+476+573=(24+476)+(127+573)=500+700=12006、400-273-127=400-(273+127)=400-400=07、327+(96-127)=327-127+96=200+96=2968、70×98=70×(100-2)=7000-140=68609、442-103-142=442-142-103=300-103=19710、999+99+9=1000+100+10-3=1110-3=110711、67×5×2=67×(5×2)=67×10=67012、25×(78×4)=25×4×78=100×78=780013、72×125=9×(8×125)=9×1000=900014、9000÷125÷8=9000÷(125×8)=9000÷1000=915、400÷25=400÷100×4=4×4=1616、25×36=25×4×9=100×9=90017、103×27=(100+3)×27=2700+81=278118、76×102=76×(100+2)=7600+152=775219、3600÷25÷4=3600÷(25×4)=3600÷100=3620、99×35=(100-1)×35=3500-35=346521、(25+12)×4=25×4+12×4=100+48=14822、56×27+27×44=(56+44)×27=100×27=270023、56×99+56=56×(99+1)=56×100=560024、125×25×8×4=125×8×(25×4)=1000×100=10000025、25×32×125=(25×4)×(8×125)=100×1000=100000

我提供的人教版四年级下册简便计算题25道及答案你自己挑,希望能对你有帮助:1、56+31+24=(56+24)+31=80+31=1112、615+475+125=615+(475+125)=615+600=12153、125×64=125×8×8=1000×8=80004、89+101+111=101+(89+111)=101+200=3015、24+127+476+573=(24+476)+(127+573)=500+700=12006、400-273-127=400-(273+127)=400-400=07、327+(96-127)=327-127+96=200+96=2968、70×98=70×(100-2)=7000-140=68609、442-103-142=442-142-103=300-103=19710、999+99+9=1000+100+10-3=1110-3=110711、67×5×2=67×(5×2)=67×10=67012、25×(78×4)=25×4×78=100×78=780013、72×125=9×(8×125)=9×1000=900014、9000÷125÷8=9000÷(125×8)=9000÷1000=915、400÷25=400÷100×4=4×4=1616、25×36=25×4×9=100×9=90017、103×27=(100+3)×27=2700+81=278118、76×102=76×(100+2)=7600+152=775219、3600÷25÷4=3600÷(25×4)=3600÷100=3620、99×35=(100-1)×35=3500-35=346521、(25+12)×4=25×4+12×4=100+48=14822、56×27+27×44=(56+44)×27=100×27=270023、56×99+56=56×(99+1)=56×100=560024、125×25×8×4=125×8×(25×4)=1000×100=10000025、25×32×125=(25×4)×(8×125)=100×1000=100000

15x32x15x12

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