B1
a) 85793-36841+3826 b) 325.97+86.54+103.46 c) 84/100 – 29/100+30/100
B2
a) x + 2.8 = 4.27+2.28 b) x – 7.2 = 3.9+2.7
giúp tôi vs m.n
B1
a) 85793-36841+3826 b) 325.97+86.54+103.46 c) 84/100 – 29/100+30/100
B2
a) x + 2.8 = 4.27+2.28 b) x – 7.2 = 3.9+2.7
giúp tôi vs m.n
1,
a,
85793-36841+3826=52778
325,97+86,54+103,46=515,97
b,
29/100+30/100=59/100
c,84/100-29/100+30/100=17/20
2,
a,x+2,8=4,27+2,28
x+2,8=6,55
x =6,55-2,8
x =3,75
b,x-7,2=3,9+2,7
x-7,2=6,6
x =6,6+7,2
x =13,8
Chúc bạn học tốt
`a, 85793-36841+3826=52778`
`b, 235.97+86.54+103.46`
`=425,97`
`c, 84/100 – 29/100 + 30/100`
`=(84-29+30)/100`
`=85/100=17/20`
Bài 2
`a, x+ 2,8 = 4.27+2.28`
`x + 2,8=6,55`
`x = 6,55 – 2,8`
`x =3,75`
`b, x -7,2=3,9 + 2,7`
`x – 7,2=6,6`
`x =6,6 + 7,2`
`x =13,8`