33️6499️12的简便运算方法
33️6499️12
=33x64+33x3x12
=33x64+33x36
=33x(64+36)
=33x100
=3300
33×160+16×170
=16×(33×10+1×170)
=16×(330+170)
=16×500
=9000
99️9994的简便方法
99×99+94
=99×99+99-5
=99×(99+1)-5
=99×100-5
=9900-5
=9895
45️3636️5499️64
=36(45+54)+99×64
=99×36+99×64
=99(36+64)
=99×100
=9900
73x99+99
=73x(100-1)+(100-1)
=7300-73+100-1
=7400-74
=7326
(7.52.3️1.4)0.16
=(7.5-3.22)÷0.16
=4.26÷0.16
=26.625
此题直接算即可
(7.52.8️1.4)0.16的简便运算方法
(7.52.8️1.4)0.16
=(7.5-3.92)÷0.16
=3.58÷0.16
=22.375
99️99199
=99X(100一1)+199
=99X100-99X1+199
=9900+(199-99)
=9900+100
=10000
144️4590️28
= 144️4545X2️28
= (1442️28)️45
=200X45 =9000
=0.1111(5.1+7*0.7)
=0.1111(5.1+4.9)
=0.1111*10
=1.111
33️6499️12的简便运算方法
33️6499️12的简便运算方法 33️6499️12的简便运算方法 33️6499️12 =33x64+33x3x12 =33x64+33x36 =33x(64+36) =33x100 =3300 33️16016️170简便方法 33×160+16×170 =16×(33×10+1×170) =16×(33...
33✖️64➕99✖️12的简便运算方法
33✖️64➕99✖️12的简便运算方法 33✖️64➕99✖️12 =33x64+33x3x12 =33x64+33x36 =33x(64+36)=33x100 =3300
396➗(212-179)✖️12简便算法?
脱式计算 396➗(212-179)✖️12 =396÷33x12 =12x12 =144
33✖️64➕11✖️108怎么用简便计算?
根据题意,计算过程如下,用到乘法分配律,提取公因数,得到33✖️64➕11✖️108=33×64+33×36=33×(64+36)=33×100=3300 以上为简便方法
99✖️121简便方法?
简便计算过程方法如下 解:99×121 =(100-1)x121 =100x121-121 =12100-121 =11979
4000除25-13乘12 用最简便的方法计算 四年级数学
因该是4000➗【(25-13)✖️12】=4000➗【12✖️12】=4000➗144 =27.7777 答案不确定计算器是这样算的^ - ^
(12✖️5+5✖️6+6✖️12)✖️2怎么用简便方法...
答:(12✖️5+5✖️6+6✖️12)✖️2 =(60+30+72)x2 =(90+10+62)x2 =(100+62)x2 =100x2+62x2 =200+(60+2)x2 =200+60x2+2x2 =200+120+4 =324
9✖️「(83➕49)➗12」简便运算?
这个没有什么简便,按秩序先算83+49=132,132\/12,明显能看出来是11,最后结果99
12✖️19✖️12的简便方法是什么?
12x19x12 =12x12x19 =12x12x(20-1)=144x(20-1)=144x20-144x1 =2880-144 =2736
32×25✖️128的简便方法?
32×25✖️128 =4x25x[125x8+3x8]=100x1024 =102400