用你喜欢的方式表示3468

师应虾4475用你喜欢的方法计算 5.28 - 0.44 - (2.56 - 1. -
桑览娴13131329620 ______ (1)5.28-0.44-(2.56-1.72)=5.28-0.44-2.56+1.72=5.28+1.72-(0.44+2.56)=7-3=4;(2)21÷[13 16 *(1-6 13 )]=21÷[13 16 *1-13 16 *6 13 ]=21÷[13 16 -6 16 ]=21*16 7 =48;(3)7.5*83-2.5*9=2.5*249-2.5*9=2.5*(249-9)=2.5*240=600;(4)1110÷[11*(5 11 -5 13 )*13]=1110÷[11*5 11 *13-11*5 13 *13]=1110÷[65-55]=1110÷10=111.

师应虾4475用你喜欢的方法计算下面各题.(1)208*35÷(100 - 48) (2)813÷7+17*513 (3)2 - 613÷926 - 23 -
桑览娴13131329620 ______ (1)208*35÷(100-48)=208*35÷52,=208÷52*35,=4*35,=140;(2)8 13 ÷7+1 7 *5 13 =8 13 *1 7 +1 7 *5 13 ,=(8 13 +5 13 )*1 7 ,=1*1 7 ,=1 7 ;(3)2-6 13 ÷9 26 -2 3 =2-4 3 -2 3 ,=2-(4 3 +2 3 ),=2-2,=0;(4)[14 15 -(2 5 +1 3 )]÷7 10 =[14 15 -11 15 ]*10 7 ,=1 5 *10 7 ,=2 7 .

师应虾4475用你喜欢的方法估一估.219÷5≈ 407÷8≈ 440÷9≈ 359÷6≈ 323÷4≈ 138÷7 -
桑览娴13131329620 ______ 展开全部219÷5≈220÷5=44,407÷8≈400÷8=50,440÷9≈450÷9=50,359÷6≈360÷6=60,323÷4≈320÷4=80,138÷7≈140÷7=20,故答案为:44,50,50,60,80,20.

师应虾4475用你喜欢的方法计算.(1)278*38+12*278(2)369+31*45(3)8*72*125(4)(28*15+48)÷6 -
桑览娴13131329620 ______ (1)278*38+12*278,=(38+12)*278,=50*278,=13900;(2)369+31*45,=369+1395,=1764;(3)8*72*125,=8*125*72,=1000*72,=72000;(4)(28*15+48)÷6,=(420+48)÷6,=468÷6,=78.

师应虾4475用你喜欢的方法计算 8 15 ÷7+ 1 7 * 7 15 3 8 +( -
桑览娴13131329620 ______ (1) 8 15 ÷7+ 1 7 * 7 15 , = 8 15 * 1 7 + 1 7 * 7 15 , =( 8 15 + 7 15 )* 1 7 , =1* 1 7 , = 1 7 ; (2) 3 8 +( 7 8 - 1 4 )÷ 1 2 , = 3 8 + 5 8 *2, = 3 8 + 10 8 , = 13 8 .

师应虾4475五年级数学题:用你喜欢的方法计算大概是脱式跟简单19/12+7/5+5/12 - 2/55/7+(2/7 - 5/6)3 - 5/9 - 3/5 - 4/918/11 - (16/17 - 4/11)4/5 - (13/16 - 5/16)+3/41/2+2/5 - 3/10+0.6... -
桑览娴13131329620 ______[答案] 19/12+7/5+5/12-2/5 = 19/12+5/12+7/5-2/5 = 24/12 + 5/5 = 2+1 =3 5/7+(2/7-5/6) = 5/7+ 2/7 -5/6 = 7/7 -5/6 = 1-5/6 = 1/6 3-5/9-3/5-4/9 = 3-(5/9+4/9)-3/5 = 3-1-3/5 = 2- 3/5 = 1又 2/5 18/11-(16/17-4/11) = 18/11+4/11-16/17 = 22/11 -16/17 = 2 -16/17 = 1又1/...

师应虾4475用你喜欢的方法估一估. (1)125÷2≈ (2)378÷5≈ (3)435÷7≈ -
桑览娴13131329620 ______ (1)60;(2)80;(3)60;(4)1200;(5)800;(6)3000;(7)100;(8)4500

师应虾4475用你喜欢的方法估一估:416÷7≈ - -----59÷3≈------198*31≈------80*67≈------ -
桑览娴13131329620 ______ (1)416÷7≈420÷7=60;(2)59÷3≈60÷3=20;(3)198*31≈200*30=6000;(4)80*67≈80*70=5600. 故答案为:60,20,6000,5600.

师应虾4475用你喜欢的方法估一估. 89÷3 138÷7 241÷6 597÷5 323÷4 -
桑览娴13131329620 ______ (1)89÷3≈30;(2)138÷7≈20;(3)241÷6≈40;(4)597÷5≈120;(5)323÷4≈80;

师应虾4475用你喜欢的方法计算.1.3+4.7*0.9(20 - 1.4*2)*0.464÷(4.18+3.82)*0.321.35 - (1.35+6.4)12.5*3.4*8(1.25 - 0.125)*8. -
桑览娴13131329620 ______[答案] (1)1.3+4.7*0.9 =1.3+4.23 =5.53 (2)(20-1.4*2)*0.4 =(20-2.8)*0.4 =17.2*0.4 =6.88 (3)64÷(4.18+3.82)*0.3 =64÷8*0.3 =8*0.3 =2.4 (4)21.35-(1.35+6.4) =21.35-1.35-6.4 =20-6.4 =13.6 (5)12.5*3.4*8 =12.5*8*3.4 =100*3.4 =340 (6)(1.25-0.125)*8 =1.25*8-0...