| 1080 * 64 + 67 | ||
a) | ||
| (63)2 |
| (520 + 518) * (34)3 | ||
b) | ||
| (516 + 514) * 95 |
| 712 * 3 + 4 * 712 | ||
c) | ||
| (712 / 78)3 |
| 8 * 34 * 311 − 9 * 312 | ||
d) | ||
| 46 * (318 / 34) |
| 1080 * 64 + 67 | 5*63*64 + 67 | 5*67 + 67 | |||
= | = | =
| |||
| (63)2 | 66 | 66 |
| 67(5+1) | 67*61 | 68 | ||||
= | = | = | = 62 = 36 | |||
| 66 | 66 | 66 |
| (520 + 518)(34)3 | |
=
| |
| (516 + 514)*95 |
| 518(52+1)*312 | 518*312 | |||
= | = | =
| ||
| 514(52+1)*(32)5 | 514*310 |