脱式计算(能简算得要简算)
6、4.84÷0.4÷0.5=4.84÷(0.4x0.5)=4.84÷0.2=4.84x10÷2=48.4÷2=24.2
脱式计算(能简算要简算)108x98
脱式计算如下:108×98 =108×(100-2)=108×100-108×2 =10800-216 =10584 【
能简算的要简算(脱式计算)
脱式计算,能简算的要简算: 127 -(57 +12 ) =127-57-12 =70-12 =58 [1-(14 +38 )]÷1\/4 = 4-52*4 = (60-1)*6+49\/16 =360-6+3又16分之1 =354+3又16分之1 =357又16分之1 180÷2.5÷4 =180÷(2.5*4) =180÷10 =18 白做了半天! 12...
我会脱式计算.(能简算的要简算)
解题思路:(1)运用乘法结合律简算;(2)先算乘法,再算减法;(3)把101看作100+1,运用乘法分配律简算.(1)2.12×0.8×5 =2.12×(0.8×5)=2.12×4 =8.48 (2)54.5-7.2×3.5 =54.5-25.2 =29.3 (3)0.65×101 =0.65×(100+1)=0.65×100+0.65 =65+0....
完成脱式计算,能简算的要简算?
原式=7\/8 - 7\/8 + 3\/4=3\/4 原式=1 + 5\/6=1又5\/6 原式=7\/13 + 7\/13 - (3\/7 + 2\/7)=14\/13 - 5\/7=1\/13 + 1 - 5\/7 =1\/13 + 2\/7=7\/91 + 26\/91=33\/91 原式=4\/5 - (2\/4 + 1\/4)=4\/5 - 3\/4 =16\/20 - 15\/20=1\/20 2、解:x=3\/5 - 2\/...
脱式计算(能简算要简算)?
解:1 . 3.76+4.25+5.75 =3.76+(4.25+5.75)=3.76+10 =13.76 2. 12-3.27-0.73 =12-(3.27+0.73)=12-4 =8 3. 60.49-36+5.51 =(60.49+5.51)-36 =66-36 =30
能简算的要简算(脱式计算)
53×47-280÷35 =(50+3)×(50-3)-8 =2500-9-8 =2491-8 =2483 29×27-27×9 =27×(29-9)=27×20 =540 25×27×40 =25×40×27 =1000×27 =27000 (132+18)÷(40-15)=150÷25 =6 522÷【(301-299)×29】=522÷【2×29】=522÷58 =9 202+135+198 =(...
脱式计算,能简算的要简算
=4.5 2. 68÷[0.5x(7.5-0.7)]=68÷[0.5x6.8]=68÷3.4 =20 3. 352-162÷36x24 =352-4.5 x24 =352+108 =460 4. [六分之五-(十四分之五-七分之二)]x十八分之七 =[六分之五-十四分之一]x十八分之七 16 7 = — × —21 18 8 = —27 5. ...
能简算的简算,脱式计算
840*25÷7÷3 =840÷(7×3)×25 =840÷21×25 =40×25 =1000 (0.5-3分之1)×4分之3÷0.25 =(0.5-3分之1)×4分之3×4 =(0.5-3分之1)×3 =0.5×3-3分之1×3 =1.5-1 =0.5
0.125×32脱式怎么算能简算的要简算?
巧算过程解析0.125×32 解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行 解题过程:0.125×32 =0.125×8×4 =1×4 =4