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50道四年级简便运算题及答案是什么?

1、158+262+138 =158+(262+138)(加法的结合律) =158+400 =558 2、375+219+381+225 =(375+225)+(219+381)(加法的交换律和结合律) =600+600 =1200 3、5001-247-1021-232 =(5000+1)-(247+1021+232)(减法的运算性质) =5000+1-150...

1、56+31+24=(56+24)+31=80+31=111, 2、615+475+125 =615+(475+125)=615+600=1215 3、125×64 =125×8×8=1000×8=8000 4、 89+101+111=101+(89+111)=101+200=301 5、24+127+476+573 =(24+476)+(127+573)=500+700=1200 6、400-273...

1、56+31+24 =(56+24)+31 =80+31 =111 2、615+475+125 =615+(475+125) =615+600 =1215 3、125×64 =125×8×8 =1000×8 =8000 4、 89+101+111 =101+(89+111) =101+200 =301 5、24+127+476+573 =(24+476)+(127+573) =500+700 =1200

答案是6888

16×77+16×23 =16×(77+23) =16×100 =1600 28×30+30×22 =30×(28+22) =30×50 =1500 32×27+18×27 =27×(32+18) =27×50 =1350 125×64 =125×8×8 =1000×8 =8000 76×101 =76×(100+1) =76×100+76×1 =7600+76 =7676 695-134+105-16...

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 =111 2、615+475+125 =615+(475+125) =615+600 =1215 3、125×64 =125×8×8 =1000×8 =8000 4、 89+101+111 =101+(89+111) =...

怎样简便就怎样算。(每题2分,附加题另计。) 158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+...

67+42+33+58 (2) 258-58-26-74 (3) 125×16 (4) 50×(2×4)×25 (5) 7×8×3×125 (6) 26×103 (7) 501×12 (8) 25×(40+8) (9) 39×14+61×14 (10) 163×8+37×8 (11) 202×13 (12) 77×4×5 (13) 27×99 (14) 48×250 (15...

300÷125÷8=300÷(125×8)=300÷1000=0.3 396-96-172-28 =(396-96)-(172+28)= 300-200 = 100 125*24 = 125*8*3 = 1000*3 = 3000 26*15 = (20+6)*15 = 20*15 + 6*15 = 300+90 =390 25*99*4 = 25*4*99 = 100*99 = 9900 250*32 = 250*4*8 = 1000*8 = 80...

25×42×4 68×125×8 4×39×25 4×25+16×25 4×25×16×25 36×99 (25+15)×4 (25×15)×4 49×49+49×51 49×99+49 (68+32)×5 5×289×2 68+32×5 (125×25)×4 (125+17)×8 25×64×125 85×82+82×15 25×97+25×3 64×15-14×15 125×88 88×102 87×99+87 79×25+25 76×101...

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