1) 6.22 x 4.7 - 4.8076 : 4.04 + 1.956= 29.314 - 1.1889 + 1.956= 29.314 - 1.1889 + 1.956= 30.0811
2) 68.16 : 3.55 + 51.4 x 0.16 - 28.004= 19.262 + 8.224 - 28.004= -0.518
3) 7.06 x 1.02 - 69.531 : 9.03 - 0.501= 7.1872 - 7.704 + 0.501= -0.0158
1) 6.22 x 4.7 - 4.8076 : 4.04 + 1.956
= 29.314 - 1.1889 + 1.956
= 29.314 - 1.1889 + 1.956
= 30.0811
2) 68.16 : 3.55 + 51.4 x 0.16 - 28.004
= 19.262 + 8.224 - 28.004
= -0.518
3) 7.06 x 1.02 - 69.531 : 9.03 - 0.501
= 7.1872 - 7.704 + 0.501
= -0.0158