\(d)\)\(43.78-43.48+30.80-30.23\)

\(=\)\(43.\left(78-48\right)+30.\left(80-23\right)\)

\(=\)\(43.30+30.57\)

\(=\)\(30.\left(43+57\right)\)

\(=\)\(30.100\)

\(=\)\(3000\)

\(43\times78-43\times48+30\times80-30\times23\)

\(=43\left(78-48\right)+30\times80-30\times23\)

\(=43\times30+30\times80-30\times23\)

\(=30\left(43+80-23\right)=30.100=3000\)

D)43.78-43.48+30.80-30.23

=43.(78-48)+30.(80-23)

=43.30+30.57

=30.(43+57)

=30.100

=3000

kết quả : 223

78+43+23+57+22

=(78+22)+(43+57)+23

=100+100+23

=200+23

=223

78+43+23+57+22={78+22}+{43+57}+23

                          =100+100+23

                          =223

56 + 44 - 4 + 68 - 6

=   100   - 4 + 68 - 6

=       96      + 68 - 6

=             164     - 6

=                158

=158 nhé

k cho mình nha

56+44-4 +68-6= 100-4+62= 158

=(33+27)+(6+14)+(78-6)

=60+20+72

=80+72

=152

33 + 6 + 78 + 14 + 27 - 6 =

( 33 + 27 ) + ( 6 + 14 ) + 78 - 6 = 

60 + 20 + 72 = 

152 !

33+6+78+14+27-6

=(33+27)+(6+14)+(78-6)

=60+30+72

=90+72

=162

nho k cho mk nhe?

35 bạn ơi

50 nha cac ban 100000000000000000000000000000000% dung

50 nhé

341*67+341*16+659*13

=341*(67+16)+659*83

=341*83+659*83

=(341+659)*83

=1000*83

=83000

chắc thế chúc bạn học tốt =)

Skibidi toilestf  

65x25x35x35+25

=25x(64+35+1)

=25x100

=2500

chúc bạn học giỏi nha!!! :))

   64 x 25 + 35 x 25 + 25

 = 25 x ( 64 + 35 + 1 )

= 25 x 100

= 2500

=64x25x35x25+25x1

=25x(64+35+1)

=25x100

2500

-1412 nhoa ban tick minh di

-57*67+57*43-67-34+57

= 57*-1*67+57*43+57*1-(67+34)

= 57*(-1*67+43+1)-101

=1311-101

=1412

(-57).67-43-67-34+57=(-57).(67-67)+(-43-34)+57