(5)(3/10×5/6+3/10)÷9/4= 能简便运算就简便运算
列式计算
(1)2.63与2.37的和除以0.25,所得的商比25少多少?
(2)1/5与6的倒数之和,除以5/6与3/8的差,商是多少?
(1)1375-375÷15×18= (2)40.5÷0.81-16×0.24= (3)2\/5×25×5\/6×4...
(1)1375-375÷15×18 =100×18÷15 =120 (2)40.5÷0.81-16×0.24 =50-3.84 =46.16 (3)2\/5×25×5\/6×4 =(2\/5×25)×(5\/6×4)=10×10\/3 =100\/3 (4)12×(1\/4+1\/6+1\/3)=12×1\/4+12×1\/6+12×1\/3 =3+2+4 =9 (5)(3\/10×5\/6+3\/10)...
1,。计算 1375-37÷15×18
1375-37÷15×18 =1375-37×18÷15 =1375-44.4 =1330.6 2. 40.5÷0.81-16×0.24 =50-3.84 =46.16 3. 2007+2007×99 =2007(1+99)=200700 希望你能看懂,你能明白, 望采纳,赞同
怎么做?
13÷4= 0.96÷0.3= 1.5×0.4= 7÷0.25= 2.5×0.7×0.8= 8-2.5= 16÷1.6= 5.6×1.01= 8×(2.5+0.25)= 0.36+0.64= 64.32÷16= 4.2÷0.1= 72.8÷0.8= 8.4÷4.2= 13.8+9.9= 2.4×2.5= 0.05×0.8= 2.56-0.37= 1.25×0.8×0.5= 12×2.5= 1.23×3= 3.2÷1.6= 3.5+3.5×3= 19.6÷2= 8.8÷2.2...
四年级下册脱式计算题50道
125-25×6 (135+75)÷(14×5) 120-60÷5×5 1024÷16×3 (135+415)÷5+16 1200-20×18 720-720÷15 (360-144)÷24×3 240+480÷30×2 225-10×(6+13) (120×2+120)÷9 164-13×5+85 330÷(65-50) 128-6×8÷16 64×(12+65÷13) 19×96-962÷74 10000-(59+66)×64 5940÷...
40.5÷0.81-0.85×36的简便方法怎么算
解: 40.5÷0.81-0.85×36 =50-17\/20×36 =50-153\/5 =50-30-3\/5 =20-3\/5 =19又2\/5
五年级简算计算题乘除法,急急急!
16.(35+10%)*27 17.(45+50%)*3*1\/2 18.(43*20%)+(3*(1\/9)) 19.27*(9*(1\/3))*5% 20.14*15%+25*8*(1\/4) 21.7*(1\/2)\/49 22.(1+48%)*2 23.(4*8-12)*50% 24.(48\/60%)\/10 25. 63*(1\/7)*30% 3*(5*(2\/3)) 2.(1+37%)*20 3.35\/2*75% 4.30*(50\/2) 5.(...
五年级数学分数计算题 加减法(口算、简便运算、脱式计算、解方程)后三...
1) 5.7-1.8= 2) 99×84= 3) 1.02×4= 4) 7.34-4= 5) 0.45÷0.15= 6) 800×0.03= 7) 3.27-1.27+4.9= 8) 11×25= 9) 0.14×50= 10) 0.81÷0.27= 11) 0.24×0.5= 12) 18.2+1.8= 13) 1.5×3= 14) 0.16×30= 15) 5.38+0.45+1.55= 16) 0.56÷0.8= 17) 3.6÷0.09= 18) 800×0.0...
...分数加减混合运算3.分数乘除混合运算4.简易方程求解。以上各15...
12×6÷(12-7.2)14×(208÷16)3.15×2.5×3.2 1.25÷2.5×3.15 4.8÷2.4×4.8 5.6×3×4.2 52÷0.8×4 6.45×2÷3 2分数加减混合运算 1\/5-1\/6+5\/6 4\/5-(1\/5+1\/3)7\/24+11\/32-5\/48 1\/4-1\/5+1\/16 1\/4+1\/6-1\/3 8\/9+(35\/36+8\/9)17\/...
五年级下册数学分数简便混合运算题!!! 求求你们!!!
12.5×0.4×2.5×8 0.87×3.16+4.64 0.68 ÷(5.2 -3.5)× 1.25 40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4) 2.13.×0.×8257 3.8×10.16.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8 7.69×101 (9.37+9.37+9.37+9.37)× 2.5 4.2.×1.+1.×1.75 0.125×722.37×6.3+2.37×3.7 2.5×1.25×0.32 ...
小学五年级数学的笔算五十道题,简便运算五十道题,谢谢~~
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4 12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101 0.68 ÷(5.2 -3.5)× 1.25 40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4)6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8 (9...