列竖式计算.
|
(1)0.83×9.6=7.968;
0.8 3
×9.6 498
;747 7.968
验算:
9.6
×0.83 288
;768 7.968
(2)9.36÷5.2=1.8;
验算:
5.2
×1.8 416
;52 9.36
(3)0.026×4.5=0.117;
0.02 6
×4.5 130
;104 0.1170
验算:
4.5
0.026 270
;90 0.1170
(4)3.52÷1.7≈2.07;
列竖式计算.
|
(1)0.83×9.6=7.968;
0.8 3
×9.6 498
;747 7.968
验算:
9.6
×0.83 288
;768 7.968
(2)9.36÷5.2=1.8;
验算:
5.2
×1.8 416
;52 9.36
(3)0.026×4.5=0.117;
0.02 6
×4.5 130
;104 0.1170
验算:
4.5
0.026 270
;90 0.1170
(4)3.52÷1.7≈2.07;