4128 + 43 * 34 = 5590
1) 43 * 34 = 1462
2) 4128 + 1462 = 5590
5478 - 35 * 78 = 2748
1) 35 * 78 = 2730
2) 5478 - 2730 = 2748
( 864 + 96 ) : 30 + 3846 = 3878
1) 864 + 96 = 960
2) 960 : 30 = 32
3) 32 + 3846 = 3878
( 7712 - 832 ) : 40 - 87 = 85
1) 7712 - 832 = 6880
2) 6880 : 40 = 172
3) 172 - 87 = 85
4128 + 43 * 34 = 5590
1) 43 * 34 = 1462
2) 4128 + 1462 = 5590
5478 - 35 * 78 = 2748
1) 35 * 78 = 2730
2) 5478 - 2730 = 2748
( 864 + 96 ) : 30 + 3846 = 3878
1) 864 + 96 = 960
2) 960 : 30 = 32
3) 32 + 3846 = 3878
( 7712 - 832 ) : 40 - 87 = 85
1) 7712 - 832 = 6880
2) 6880 : 40 = 172
3) 172 - 87 = 85