2.5x4.88脱式计算
奚逸杜2795脱式计算横式上用不用写得数? -
瞿齿定18316023157 ______[答案] 脱式计算 - 什么是脱式计算 脱式计算,即递等式计算,把计算过程完整写出来的运算,...三要核对把草稿竖式 上的得数,抄到横式上是否抄对,小数点是否点对地方,有无遗漏...
奚逸杜2795脱式计算,能简便计算的要简便计算2.5*8*0.4*0.125; 0.88*4.9+5.1*0.88;7.9÷12.5÷0.8; ... -
瞿齿定18316023157 ______[答案] (1)2.5*8*0.4*0.125 =(2.5*0.4)*(8*0.125) =1*1 =1 (2)0.88*4.9+5.1*0.88 =0.88*(4.9+5.1) =0.88*10 =8.8 (3)7.9÷12.5÷0.8 =7.9÷(12.5*0.8) =7.9÷10 =0.79 (4)9.1-1.2÷6-6.24 =9.1-0.2-6.24 =2.66
奚逸杜2795一年级数学什么叫脱式计算 -
瞿齿定18316023157 ______ 就是在计算四则运算时,一步一步的运算,并且一行只写一步算式,等号上下对齐.如:12*3+4*5-3*6=36+20-18=56-18=38这就是一个标准的脱式计算
奚逸杜2795脱式计算(怎样简便就 脱式计算(怎样简便就怎样算). (1)125*48*8 (2)88*125 (3)39*63+39*37 (4)246+332+214+208 -
瞿齿定18316023157 ______[答案] (1)125*48*8 =125*8*48 =1000*48 =48000 (2)88*125 =8*125*11 =1000*11 =11000 (3)39*63+39*37 =39*(63+37) =39*100 =3900 (4)246+332+214+20...
奚逸杜2795脱式计算,能简算的要简算.第一题0.93x99+0.93.第二题2.5x1.6x1.25.第三题9.7x(2.45 - 0.31).第四题37.58x97. -
瞿齿定18316023157 ______[答案] 0.93x99+0.93 =0.93x(99+1) =93 2.5x1.6x1.25 =(2.5x0.4)x(4x*1.25) =1x5 =5 9.7x(2.45-0.31) =9.7x2.14 =20.758 37.58x97=3645.26 37.58x97 =37.58x100-37.58x3 =3758-112.74 =3645.26
奚逸杜27954.3÷4.5+3.2*0.8脱式计算 -
瞿齿定18316023157 ______ 脱式计算,能简便要简便. 3/5*1/5÷3/5 =3/5÷3/5*1/5 =1/5 2/7-5/8*2/7 =(1-5/8)*2/7 =3/8*2/7 =3/28 1/4÷2/3+2/3÷4 =3/2÷4+2/3÷4 =(3/2+2/3)÷4 =13/6÷4 =13/24 1/3÷1/5+4/5 =5/3+4/5 =37/15 [1-(1/4+3/8)]÷1/4 =(1-5/8)*4 =3/8*4 =3/2 4/9*3/16+5/12 =1/...
奚逸杜2795六年级混合运算题75道2步脱式, -
瞿齿定18316023157 ______[答案] 六年级上的脱式计算5道 - 三级最佳答案(9+92+93)*0.01 13.5*[1.5*(1.07+1.93)] 21.6-0.8*4÷0.8*4 1.28+9.8+7.72+10.2 12 *1120 +12 *2049 78 *〔67 -(121 +37 ) (80-9.8)*0.6-2.1
奚逸杜2795脱式计算(能简便的要简便计算)35÷[(15+13)÷29] 14*37+47÷4 4.2*102 - 8.4 56÷(1 - 920)*15 3.64÷4+4.36*25% 1110÷[56*... -
瞿齿定18316023157 ______[答案] (1) 3 5÷[( 1 5+ 1 3)÷ 2 9], = 3 5÷[ 8 15÷ 2 9], = 3 5÷ 12 5, = 1 4; (2) 1 4* 3 7+ 4 7÷4, = 1 4* 3 7+ 4 7* 1 4, = 1 4*( 3 7+ 4 7), = 1 ... 本题考点:分数的四则混合运算;运算定律与简便运算;分数的简便计算;小数四则混合运算;方程的解和解方程;解比例....
奚逸杜2795脱式计算:2.4+4.05÷0.81 2.5*12*0.44.05÷[1.8*(3.36 - 2.86)]10.01*101 - 10.01. -
瞿齿定18316023157 ______[答案] (1)2.4+4.05÷0.81 =2.4+5 =7.4; (2)2.5*12*0.4 =2.5*0.4*12 =1*12 =12; (3)4.05÷[1.8*(3.36-2.86)] =4.05÷[1.8*0.5] =4.05÷0.9 =4.5; (4)10.01*101-10.01 =10.01*(101-1) =10.01*100 =1001.
奚逸杜2795脱式计算(有简便方法的用简便方法计算).2.5*16 - 240÷15 (1 - 0.05)÷19÷0.1 89*34 - 715*56817÷16+116*917 ... -
瞿齿定18316023157 ______[答案] (1)2.5*16-240÷15 =40-16 =24; (2)(1-0.05)÷19÷0.1 =0.95÷19÷0.1 =0.05÷0.1 =0.5; (3) 8 9* 3 4- 7 15* 5 6 = 2 3- 7 18 = 5 18; (4) 8 17÷16+ 1 16* 9 17 = 8 17* 1 16+ 1 16* 9 17 =( 8 17+ 9 17)* 1 16 =1* 1 16 = 1 16; (5) 4 5*[1-( 3 4- 3 8)] = 4 5*[1- 3 8] = 4 5*...