问题
解答题
计算: (1)22-1.5÷
(2)-6÷3×
|
答案
(1)原式=4-1.5×
+24 3
=4-2+2
=4;
(2)原式=-6×
×1 3
-1 3
(-2+4)1 2
=-
-2 3
×21 2
=-
-12 3
=-5 3
计算: (1)22-1.5÷
(2)-6÷3×
|
(1)原式=4-1.5×
+24 3
=4-2+2
=4;
(2)原式=-6×
×1 3
-1 3
(-2+4)1 2
=-
-2 3
×21 2
=-
-12 3
=-5 3