问题
解答题
|
答案
(1)41×101,
=41×100+41×1,
=4100+41,
=4141;
(2)10.5÷2.5÷4,
=10.5÷(2.5×4),
=10.5÷10,
=1.05;
(3)1.7÷4+2.3×25%,
=1.7×
+2.3×1 4
,1 4
=(1.7+2.3)×
,1 4
=4×
,1 4
=1.
|
(1)41×101,
=41×100+41×1,
=4100+41,
=4141;
(2)10.5÷2.5÷4,
=10.5÷(2.5×4),
=10.5÷10,
=1.05;
(3)1.7÷4+2.3×25%,
=1.7×
+2.3×1 4
,1 4
=(1.7+2.3)×
,1 4
=4×
,1 4
=1.