问题
解答题
列式计算 (1)
(2)一个数的
(3)3.5加上12.5的和乘以0.3所得的积,去除0.96,结果是多少? |
答案
(1)
-7 9
×4 7
,3 4
=
-7 9
,3 7
=
;22 63
(2)1.2÷(
-1 4
),1 5
=1.2÷
,1 20
=1.2×20,
=24;
(3)0.96÷[(3.5+12.5)×0.3],
=0.96÷[16×0.3],
=0.96÷4.8,
=0.2.