2道计算题,在线等!要详细步骤

问题描述:

2道计算题,在线等!要详细步骤
(-3)³÷2又1/4×(-2/3)²+10-2²×(-1/3)
-7²+2×(-3)²+(-6)÷(-3)²

(-3)³÷2又1/4×(-2/3)²+10-2²×(-1/3)
=(-3)^3x(4/9)x(4/9)+10+4/3
=-16/3+10+4/3
=6
-7²+2×(-3)²+(-6)÷(-3)²
=-49+18+2/3
=-30又1/3