還是看不明白這是幾個(gè)題目
你最好加上序號(hào)
當(dāng)作一個(gè)題目計(jì)算如下:
-3² -(-6)²除以(-2/3) -6²-(-12)除以(-2/3) -3²-(-6²)除以(-2/3)
=-9+36×3/2-36-12×3/2-9-36×3/2
=-9+54-36-18-9-54
=54-54-36-18-9-9
=-72
1.-3 2 -(-6)2除以(-2/3)
2.
-6 2-(-12)除以(-2/3)
3.
-3 2-(-6 2)除以(-2/3)
下次會(huì)注意的。。。1、
-3² -(-6)²除以(-2/3)
=-9+36×3/2
=-9+54
=45
2.
-6 2-(-12)除以(-2/3)
=-36-12×3/2
=-36-18
=-54
3.
-3 2-(-6 2)除以(-2/3)
=-9-36×3/2
=-9-54
=-63