4*.
| 6*3 *2* | : 3- = 2 = 1 | : - 2 = 9 =11 11 . = 1 . 1 . 1. 1 . | : 5- = 2 = 3 | : ~321 |
| 72* 1 * 4 | : -4 = 4 = 8 | : 2 - = 5 1 . 12- = 5 = 7 | : 6-0 = 6 | : |
| *54 | ||||
| *0* ~ 1*0 | : -0=7 = 7 | : 0 - = 9 1 . 10- = 9 = 1 | : (-1)- -1 = 3 -1 = 4 = 5 | : "110 |
| 41* 2*4 | : -4 = 2 = 6 | : 1 - = 6 1 . 11 - = 6 = 5 | : 3-2 = 1 | : ~254 |
5. , .
6. .
80 /
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.
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7, 8.
7.
I. 80 - (9 4 + 5 4) = 80 - 56 = 24 ()
II. 80 - (9 + 5) 4 = 80 - 14 4 = 80 - 56 = 24 ()
8. :
) (423-256)+ 170 = 337
) (300 + 200) + 500 = 1000
1) 300 + 200 = 500
2) 500 + 500 = 1000
) (600 - 307) - 60 = 233
94. . .(. 56-57)
: 1) ;
2) .
3) .
.
.
3. .
5*.
5*.
.
.
1,4,6,2,8 (3,7 ).
2.
| 26* | : | : | : | |
| +6*0 | + 0 = 8 | 6 + = 4 - | 2 + 6 = 8 | : |
| = 8 | . | 8 + 1 = 9 | ||
| *48 | , 10 1 - | +680 | ||
| 6 + = 14 = 8 |
| *84 | : | : | : | |
| + 5** | 4 + = 0 | 1 + 8 += 1 . | 1 + + + 5 = 9 | : |
| 1 - |
|
|
|
.
3. ? (6 .) ? 6:3 = 2 ()
2 ? ( .) ? ( ?
22=4 ()
4. .
6. .
289 + 96 > 298 + 79 385 > 377
: .
7. .
8. .
.
.
9, 10.
95. . .(.58-59)
: 1) ;
2) .
3) .
.
