1.2x2.5+0.8x2.5的简算

曲馥倪15891.2x2.5+0.8x2.5怎么样简便计算? -
勾盆阮18723035988 ______ 原式 =(1.2+0.8)x2.5 =2x2.5 =5 供参考.

曲馥倪15891.2X2.5X0.8x2.5怎样简便怎样算 -
勾盆阮18723035988 ______ 1.2*2.5*0.8*2.5 =3*(0.4*2.5)*(0.8*2.5) =3*1*2 =3*2 =6 你好,本题已解答,如果满意 请点右下角“采纳答案”.

曲馥倪15891.2x2.5十0.8x2.5=2.5x(1.2+0.8)是运用的什么运算定律 -
勾盆阮18723035988 ______ 1.2x2.5十0.8x2.5 =2.5x(1.2+0.8) 是运用的乘法分配律 =2.5*2 =5

曲馥倪15891,2x2,5十0,8x2,5用简便方法计算 -
勾盆阮18723035988 ______ =(1.2+0.8)*2.5 =2*2.5 =5

曲馥倪15891.2x2.5+0.8x2.5能简便的要简便 -
勾盆阮18723035988 ______ 1.2x2.5+0.8x2.5能简便的要简便=2.5*(1.2+0.8)=2.5*2=5

曲馥倪15891.2x2.5+0.8x2.5,脱式 -
勾盆阮18723035988 ______ 1.2*2.5+0.8*2.5 =(1.2+0.8)*2.5 =2*2.5 =5

曲馥倪15891.2乘2.5加o.8乘2.5用简便方法怎么做 -
勾盆阮18723035988 ______ 1.2*2.5+0.8*2.5=(1.2+0.8)*2.5=2*2.5=5.请采纳,谢谢.

曲馥倪1589简便计算1.2*2.5*2.5+0.8x2.5 -
勾盆阮18723035988 ______ 1.2*2.5*2.5+0.8x2.5 =0.3*4*2.5*2.5+0.2*4*2.5 =0.3*(4*2.5)*2.5+0.2*(4*2.5) =0.3*10*2.5+0.2*10 =3*2.5+2 =7.5+2 =9.5

曲馥倪15891.25X2.5十0.8X2.5的简便计算 -
勾盆阮18723035988 ______ 1.25X2.5十0.8X2.5 =2.5X(1.25十0.8) =2.5X(2.0+0.05) =5+0.125 =5.125

曲馥倪15891.2*2.5+0.08*25简便计算五年级上册? -
勾盆阮18723035988 ______ 1.2x2.5+0.8x2.5=(1.2+0.8)x2.5=2x2.5=5