能巧算的要巧算:1 8.64/{64.8-(48.6-2.7*2)} 2 3.7*4.7+6.3*3.7-3.7 32.5*1.9+25*0.71+0.25*1.0(4) (12.5+12.5+12.512.5)*2.5
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能巧算的要巧算:18.64/{64.8-(48.6-2.7*2)}23.7*4.7+6.3*3.7-3.732.5*1.9+25*0.71+0.25*1.0(4)(12.5+12.5+12.512.5
能巧算的要巧算:1 8.64/{64.8-(48.6-2.7*2)} 2 3.7*4.7+6.3*3.7-3.7 32.5*1.9+25*0.71+0.25*1.0(4) (12.5+12.5+12.512.5)*2.5
能巧算的要巧算:1 8.64/{64.8-(48.6-2.7*2)} 2 3.7*4.7+6.3*3.7-3.7 32.5*1.9+25*0.71+0.25*1.0
(4) (12.5+12.5+12.512.5)*2.5
能巧算的要巧算:1 8.64/{64.8-(48.6-2.7*2)} 2 3.7*4.7+6.3*3.7-3.7 32.5*1.9+25*0.71+0.25*1.0(4) (12.5+12.5+12.512.5)*2.5
(1) 8.64/{64.8-(48.6-2.7 *2)}=0.4
(2) 3.7*4.7+6.3*3.7-3.7=3.7*(4.7+6.3-1)=3.7*10=37
(3) 2.5*1.9+25*0.71+0.25*1=2.5*(1.9+7.1+0.1)=2.5*9.1=22.75
(4) (12.5+12.5+12.5+12.5)*2.5=4*12.5*2.5=4*2.5*12.5==10*12.5=125
能巧算的要巧算:(1 ) 8.64/{64.8-(48.6-2.7*2)} (2 ) 3.7*4.7+6.3*3.7 ( 3 ) 2.5*1.9+25*0.71+0.25*
能巧算的要巧算:1 8.64/{64.8-(48.6-2.7*2)} 2 3.7*4.7+6.3*3.7-3.7 32.5*1.9+25*0.71+0.25*1.0(4) (12.5+12.5+12.512.5)*2.5
能巧算的要巧算
递等式计算能巧算的要巧算1道1.28×0.35
一)能巧算的要巧算 1)0.78*0.02/3.9
能巧算的要巧算4.587+3.47-2.47
递等式能巧算的要巧算 0.49[1/(4.9-4.89)]+6 38.2*7.5+75+0.75*518
7.56+(49.2+2.46)-0.78要有算式 能巧算的要巧算 急需
能巧算的要巧算:2.5*1.9+25*0.71+0.25 *1.0
7.56+(49.2+2.46)-0.78要有算式 能巧算的要巧算
递等式能巧算的要巧算 120*4*0.25*0.7 5.1*75-49*7.5-1 (20+9.744/2.4)*0.5-1.93
67×25+33×45-33×20递等式计算,能巧算的要巧算
小数递等式计算能巧算的要巧算.(54.8+15.2)÷125÷8
小学三年级递等式计算(能巧算的要巧算) 54*41+27*18
递等式计算:(能巧算的要巧算) 2.8*0.9 5.4*10.1
递等式计算(能巧算的要巧算) 125*31*41-125*31*33
递等式计算,能巧算的要巧算 125×44麻烦把过程写一下
一、能巧算的要巧算(54×21+45×21)÷33