5-3.25%-67.5% 0.2×1.5+5分之1×4.5+20%×4 5-32.5%+67.5% 3分之2×5+3分之5×7

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/01 23:38:42
5-3.25%-67.5% 0.2×1.5+5分之1×4.5+20%×4 5-32.5%+67.5% 3分之2×5+3分之5×7
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5-3.25%-67.5% 0.2×1.5+5分之1×4.5+20%×4 5-32.5%+67.5% 3分之2×5+3分之5×7
5-3.25%-67.5% 0.2×1.5+5分之1×4.5+20%×4 5-32.5%+67.5% 3分之2×5+3分之5×7

5-3.25%-67.5% 0.2×1.5+5分之1×4.5+20%×4 5-32.5%+67.5% 3分之2×5+3分之5×7
5-32.5%-67.5%
=5-(32.5%+67.5% )
=5-1
=4
0.2×1.5+5分之1×4.5+20%×4
=0.2×1.5+0.2×4.5+0.2×4
=0.2×(1.5+4.5+4)
=0.2×10
=2
3分之2×5+3分之5×7
=3分之5×2+ 3分之5×7
=3分之5×9
=5×3
=15