579 - 429 : 3 + 287 = 723
1) 429 : 3 = 143
2) 579 - 143 = 436
3) 436 + 287 = 723
655 + 225 : 5 - 36 * 4 =
1) 225 : 5 = 45
2) 36 * 4 = 144
3) 655 + 45 = 700
4) 700 - 144 = 556
1000 - 147 * 3 + 241 = 770
1) 147 * 3 = 441
2) 1 000 - 471 = 529
3) 529 + 241 = 770
584 - ( 600 - 69 - 138 ) = 191
1) 600 - 69 = 531
2) 531 - 138 = 393
3) 584 - 393 = 191
579 - 429 : 3 + 287 = 723
1) 429 : 3 = 143
2) 579 - 143 = 436
3) 436 + 287 = 723
655 + 225 : 5 - 36 * 4 =
1) 225 : 5 = 45
2) 36 * 4 = 144
3) 655 + 45 = 700
4) 700 - 144 = 556
1000 - 147 * 3 + 241 = 770
1) 147 * 3 = 441
2) 1 000 - 471 = 529
3) 529 + 241 = 770
584 - ( 600 - 69 - 138 ) = 191
1) 600 - 69 = 531
2) 531 - 138 = 393
3) 584 - 393 = 191