问题
解答题
计算题 ①(-2)2+[18-(-3)×2]÷4; ②1
|
答案
①原式=4+(18+6)÷4=4+6=10;
②原式=
×(3×3 2
-1)-4 9
×(-8)1 3
=
×(3 2
-1)-4 3
×(-8)1 3
=
×3 2
+1 3 8 3
=
.19 6
计算题 ①(-2)2+[18-(-3)×2]÷4; ②1
|
①原式=4+(18+6)÷4=4+6=10;
②原式=
×(3×3 2
-1)-4 9
×(-8)1 3
=
×(3 2
-1)-4 3
×(-8)1 3
=
×3 2
+1 3 8 3
=
.19 6