300 - ( 100 + 100 ) : 2 = ?
b) 200 x 4 = ...... 300 x 2 = ......
200 x 2 = ...... 300 x 3 = ......
400 x 2 = ...... 500 x 1 = ......
100 x 4 = ...... 100 x 3 = ......
b) 200 x 4 = .800..... 300 x 2 = ..600....
200 x 2 = .400..... 300 x 3 = ...900...
400 x 2 = ...800... 500 x 1 = ..500....
100 x 4 = ..400.... 100 x 3 = .300.....
100+100+300-100-100*100-100=
(100+100+300-100)-100*100-100
=400-10000-100=300-10000=9700
100 + 100 + 300 - 100 - 100 x 100 - 100
= 100 + 100 + 30 - 100 - 10000 - 100
= 200 + 30 - 100 - 10000 - 100
= 230 - 100 - 10000 - 100
= 130 - 10000 - 100
= -9870 - 100
= -9970
Lớp 4 họk số âm rùi à
100 + 100 + 300 - 100 - 100 x 100 - 100
= 100 + 100 + 300 - 100 - 10000 - 100
= 200 + 300 - 100 - 10000 - 100
= 500 - 100 - 10000 - 100
= 400 - 10000 - 100
= - 9600 - 100
= - 9700
100+100+200+200+300+300=
100 + 100 + 200 + 200 + 300 + 300
= 200 + 200 + 200 + 300 + 300
= 400 + 200 + 300 + 300
= 600 + 600
= 1200
300+300+300x300+300x300+100+100=
25+8+x=70
8+x = 70 - 25
8+x = 45
x = 45 - 8
x = 37
Bài 2: Đúng ghi Đ, sai ghi S
a)\(\dfrac{48}{300}\)= 48%
b)\(\dfrac{48}{300}\) =\(\dfrac{16}{100}\) = 16%
c)\(\dfrac{30}{50}\)=\(\dfrac{60}{100}\)= 60%
d)\(\dfrac{30}{50}\)=\(\dfrac{60}{100}\)=6%
200 + 800 - 100 + 100 = ?
100 - 100 + 100 = ?
300 + 300 - 900 + 100 = ?
12 + 12 + 12 + 12 + 12 = ?
nhanh cho tick !
200 + 800 - 100 + 100 = 1000
100 - 100 + 100 = ?100
300 + 300 - 900 + 100 = -200
12 + 12 + 12 + 12 + 12 = 70
100 + ( 100 - 100 ) =? : 200 + ( 1000000- 100000 )=? : 300 - ( 200- 100 ) =? ; 30 + ( 22 : 2 ) = ?
100 + ( 100 - 100 ) =100
200 + ( 1000000- 100000 )=900200
300 - ( 200- 100 ) =200
30 + ( 22 : 2 ) =41
100 + (100 - 100)
= 100 + 0
= 100
200 + (1000000 - 100000)
= 200 + 900000
= 900200
300 - (200 - 100)
= 300 - 100
= 200
30 + (22 : 2)
= 30 + 11
= 41
100 + (100 - 100 )
= 100 + 0
= 100
200 + (1000000 - 100000)
= 200 + 900000
= 900200
300 - (200 - 100)
= 300 - 100
= 200
30 + (22 : 2)
= 30 + 11
= 41
100 + 100 + 300 x 2 = ?
giúp mình nha
100 + 100 + 300 x 2
= 100 + 100 + 600
= 200 + 600
= 800
Chúc bạn học giỏi nhé!^-^
Nhớ nha!^-^
100 + 100 + 300 x 2
= 100 + 100 + 600
= 200 + 600
= 800
100 + 200 + 300 + 400 + 500 + 300 : 2 = ?
100+200+300+400+500+300:2
=100+200+300+400+500+150
=(100+500)+(200+400)+(300+150)
=600+600+450
=600x2+450
=1200+450
=1650
ai tích mik mik hứa tích lại
\(100+200+300+400+500+300:2\)
\(=100+200+300+400+500+150\)
\(=300+300+400+500+150\)
\(=600+400+500+150\)
\(=1000+500+150\)
\(=1500+150\)
\(=1650\)
\(Ai\)\(k\)\(minh,minh\)\(k\)\(lai!!\)
100+200+300+400+500+300:2
=100+200+300+400+500+150
=300+300+400+500+150
=600+400+500+150
=1000+500+150
=1500+150
=1650