小数简算

宁购昂4804小数简便计算 -
樊崔任17086397350 ______ 9.99*2.22+3.33*3.34 =3.33*6.66+3.33*3.34 =3.33*(6.66+3.64) =3.33*10 =33.3 如果不懂可以追问,弄懂请及时采纳.谢谢

宁购昂4804五年级小数简便计算0.999*0.6+0.111*3.6 0.52*25/2.6 17.5*7/2.5 -
樊崔任17086397350 ______[答案] 0.999*0.6+0.111*3.6 =0.999*0.6+0.111*6*0.6 =0.333*3*0.6+0.222*3*0.6 =(0.333+0.222)*3.*0.6 =0.555*1.8 =0.999 0.52*25/2.6 =0.52*25*(1/2.6) =0.52*(1/2.6)*25 =0.2*25 =5 17.5*7/2.5 =35/2*7÷(5/2) =35/2*(2/5)*7 =7*7 =49希望采纳哦我打了好久;.,

宁购昂4804小数简算 小学五年级 -
樊崔任17086397350 ______ 1.=1*10*100*--*100000000000 =1000000000000000000000000000000000000000000000000000000000000000000(可能是这个!) 2.=2005+200+20+2+0.5+0.05+0.005 =2227.555 5.=1+2+3+4+5+6+-----+100+1.2*(1+2+3+4+5+--+100) =5050+6060 =11110

宁购昂4804小数简便计算1、(4乘0.4乘0.25)乘8乘7乘1.25 2、48乘1.25加50乘1.25乘0.2乘83、4.7乘2.8加3.6乘9.44、3.5÷1.45、55.5乘44.5加555乘5.65减55.5弄错了第... -
樊崔任17086397350 ______[答案] (4乘0.4乘0.25)乘8乘7乘1.25 = 4*0.25*0.4*8*7*1.25 =1*0.4*8*7*1.25 =0.4*8*7*1.25 =0.4*7*2*4*1.25 =0.4*7*2*5 =0.4*2*5*7 =0.4*10*7 =4*7=28 48乘1.25加50乘1.25乘0.2乘8 =48*1.25+50*1.25*0.2*8 =1.25*(48+50*0.2*8) =1.25*(48+10*8) =1.25*(48+80...

宁购昂4804五年级小数简算 -
樊崔任17086397350 ______[答案] 2.8*10+7.2*10 =10*(2.8+7.2) =10*10 =100

宁购昂4804五年级上册小数简便计算方式? -
樊崔任17086397350 ______[答案] 一般情况,可以利用运算律使计算简便,如乘法的交换律、结合律、分配律等.

宁购昂4804小数的简便计算 -
樊崔任17086397350 ______ 12.5*0.8*0.25*4=10*1=1012.5*(4.5+4.5+1)=12.5*10=125

宁购昂4804四年级小数简便运算 -
樊崔任17086397350 ______ 1+2+3+4+5+6+7+8+9..............+100 =101*50 =5050 1+1=2 2+2=4 3+3=9 4+4=8 5+5=10

宁购昂4804小数的简便运算 -
樊崔任17086397350 ______ 3.21*8.2+87*0.18+0.82*54.9 =3.21*8.2+8.2*5.49+87*0.18 =8.2*(3.21+5.49)+8.7*1.8 =8.2*8.7+8.7*1.8 =8.7*(8.2+1.8) =8.7*10 =87 321.321÷321*3.21 =321.321*3.21÷321 =321.321*0.01 =3.21321

宁购昂4804小数简便算法
樊崔任17086397350 ______ 68*22.22+88.88*8 =22.22*(68+4*8) =22.22*(68+32) =22.22*100 =2222