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简介:
(143)0.32×0.25+0.08÷4
=0.08+0.08÷4,
=0.08+0.02,
=0.08+0.02,
=0.1;
(144)(9.6+1.48÷3.7)÷8
=(9.6+0.4)÷8,
=10÷8,
=1.25;
(145)5.8÷[4×(1.34﹣0.14)]
=5.8÷[4×1.2],
=5.8÷4.8,
≈1.21;
(146)5.4÷[0.51÷(1.2﹣1.03)]
=5.4÷[0.51÷0.17],
=5.4÷3,
=1.8
(147)21.35﹣3.25﹣16.75,
=21.35﹣(3.25+16.75),
=21.35﹣20,
=1.35;