解:(1); (2)﹣2; (3)﹣2; (4)9a2b; (5)﹣4xy2; (6)2x+2; (7)﹣2x+3y; (8)= (﹣2)÷(×)×+5, =(﹣2)×32×+5, =﹣400+5, =﹣395; (9), =﹣1+××(2+27), =﹣1+, =; (10), =(﹣13)×(+)﹣0.34×(+), =﹣13﹣0.34, =﹣13.34; (11), =0.29+[() 2+]÷(﹣)+0.71, =0.29+9÷(﹣)+0.71, =1﹣, =﹣; (12)﹣32﹣(﹣3)2+(﹣3)2×(﹣)﹣(0.3)2÷|﹣0.9|, =﹣9﹣9+9×(﹣)﹣0.09×, =﹣18﹣12﹣0.1, =﹣30.1; (13)﹣32×(﹣)2+(﹣+)?(﹣24), =﹣9×+×(﹣24)﹣×(﹣24)+×(﹣24), =﹣1﹣18+4﹣9, =﹣24. |