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计算下面各题(能简算的要简算)0.25×0.5×169.7×0.47+1.53×9.7-9.70.64÷1.6+0.823.52-1.05×4.

题目详情
计算下面各题(能简算的要简算)
0.25×0.5×16
9.7×0.47+1.53×9.7-9.7
0.64÷1.6+0.8
23.52-1.05×4.
▼优质解答
答案和解析
(1)0.25×0.5×16
=0.25×0.5×4×4
=(0.25×4)×(0.5×4)
=1×2
=2

(2)9.7×0.47+1.53×9.7-9.7
=9.7×(0.47+1.53-1)
=9.7×1
=9.7

(3)0.64÷1.6+0.8
=0.4+0.8
=1.2

(4)23.52-1.05×4
=23.52-4.2
=19.32