解:(1) =[(﹣)+(﹣)]+[﹣(﹣)] =(﹣1)+1 =0; (2)8×(﹣)×(﹣4)﹣2 =8××4﹣2 =24﹣2 =22; (3)﹣14﹣2×(﹣3)2×6 =﹣1﹣2×9×6 =﹣1﹣18×6 =﹣1﹣3 =﹣4; (4) =5+18÷×(﹣)﹣2 =5+18××(﹣)﹣2 =5+(﹣)+(﹣2) =5+(﹣) =﹣7; (5) =﹣3+×12﹣×12+9 =﹣3+6﹣8+9 =(﹣3)+(﹣8)+(6+9) =﹣11+15 =4; (6)﹣42×[(1﹣7)÷6]3+[(﹣5)3﹣3]÷(﹣2)2 =﹣16×[﹣6÷6]3+(﹣125﹣3)÷4 =﹣16×(﹣1)+(﹣128)÷4 =16+(﹣32) =﹣(32﹣16) =﹣16. |