问题
填空题
列竖式计算.(带*的验算)
5.06×2.3=
*0.04×32.5=
7.43×0.16=
*0.55×9.3=
答案
5.06×2.3=11.638;
5.06 × 2.3
. 1518
1012 11.638
0.04×32.5=1.3;
0.04 × 32.5
. 20
8 12
. 1.300
验算:
32.5 × 0.04
. 1.300
7.43×0.16=1.1888;
7.43 × 0.16
. 4458
;743 1.1888
0.55×9.3=5.115.
0.55 × 9.3
. 165
495 5.115
验算:
9.3 × 0.55
. 465
465 5.115