| 直接写出得数. 64×1.25=________ | 1+ ÷ +1=________ | 10- - =________ | × =________ |
× =________ | 400÷25=________ | ÷ =________ | 2.1-0.8=________ |
| 4.8×11×4.8×0=________ | ×5÷ ×5=________. |
0.116
1.3025分析:(1)(8)(9)依据小数四则运算计算方法解答,
(2)(3)(4)(5)(7)(10)依据分数四则运算计算方法解答,
(6)依据整数除法计算方法解答.
解答:64×1.25=80;1+
÷
+1=3;10-
-
=9;
×
=
;
×
=0.1;400÷25=16;
÷
=
;2.1-0.8=1.3;4.8×11×4.8×0=0;
×5÷
×5=25;.故答案依次为:80,3,9,
,0.1,16,
,1.3,0,25.点评:本题主要考查学生运用四则运算计算方法解决问题的能力.