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直接写得数:1.2×0.3= ,0.54×0.9= ,0.4×2.5= ,0.92= ,0.36×0.1= ,7÷3.5= ,4.2÷3= ,4×= .

编辑:chaxungu时间:2026-04-27 08:31:45分类:小学数学题库

直接写得数:
1.2×0.3=________;
0.54×0.9=________;0.4×2.5=________;0.92=________;
0.36×0.1=________;7÷3.5=________;4.2÷3=________;4×(1.5+0.25)=________.
0.360.48610.810.03621.47
分析:依据小数四则运算计算方法解答.
解答:1.2×0.3=0.36;0.54×0.9=0.486;0.4×2.5=1;0.92=0.81;0.36×0.1=0.036;7÷3.5=2;4.2÷3=1.4;4×(1.5+0.25)=7.故答案为:0.36,0.486,1,0.81,0.036,2,1.4,7.
点评:本题主要考查学生对于小数四则运算计算方法掌握.