问题
解答题
每组题只做一次笔算,其余两题通过小数点移位来解决.
(1)13×26=
1.3×26=
0.013×26=
(2)9.25×12=
92.5×12=
0.925×12=
(3)32×0.93=
32×0.093=
32×9.3=
答案
(1)13×26=338,
1.3×26=33.8,
0.013×26=0.338;
(2)9.25×12=111,
92.5×12=1110,
0.925×12=11.1;
(3)32×0.93=29.76,
32×0.093=2.976,
32×9.3=297.6.