1)23
2)946,8
3)6250
4)5,8
5)311700
6)39
7)73
8)74
9)7819200
10)42,5
11)5,3
12)0,5
! 3 ! 1/2 ! 4 ! Сумма чисел равна: 7 1/2
____________________
! 3 1/2 ! 2 1/2 ! 1 1/2 !
____________________
! 1 ! 4 1/2 ! 2 !
___________________
34+6=40 (кг)-2 ящик
40-17=23 (кг)-3 ящик
<span>34+40+23=97 (кг)</span>
Дано:
x - ширина
x+5 - длинна
P= (x+x+5) *2
P=54
Решение :
(x+x+5)*2= 54
2x= 54/2 -5
2x= 27-5
2x=22
x=11
11+5 =16
S=a*b= 11*16
S=176cm^2
1.
1) A dog can`t dance.
2) A cat can`t sing.
3) A frog can jump.
4) A horse can run.
5) A bird can fly.
7) A fish can swim.
2.
1) I can read.
2) My sister can`t sing.
3) My mummy can swim. My mummy can`t fly.
4) My daddy can`t dance.
5) My brother can climb.
6) My grandmather can run.
7) My grandfather can swing. My grandfather can`t sing.