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(1)96÷(15.4-12.2),=96÷3.2,=30;(2)9÷[0.3×(8-

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/08/23 16:12:22
(1)96÷(15.4-12.2),
=96÷3.2,
=30;

(2)9÷[0.3×(8-6.5)],
=9÷[0.3×1.5],
=9÷0.45,
=20;

(3)0.175÷0.25÷0.4,
=0.175÷(0.25×0.4),
=0.175÷0.1,
=1.75;

(4)0.175÷0.25×4,
=0.7×4,
=2.8;

(5)0.36÷[(6.1-4.6)×0.8],
=0.36÷[1.5×0.8],
=0.36÷1.2,
=0.3;

(6)3.6×0.4+1.2×5,
=1.44+6,
=7.44.