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简算题(1)10.26-(3.78+4.26)(2)2.4÷0.25(3)1.9x32x125x0.25

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/11/09 02:06:52
简算题
(1)10.26-(3.78+4.26)(2)2.4÷0.25(3)1.9x32x125x0.25
(1)10.26-(3.78+4.26)
=10.26-3.78-4.26
=10.26-4.26-3.78
=6-3.78
=2.22
(2)2.4÷0.25
=2.4÷1/4
=2.4*4
=9.6
(3)1.9x32x125x0.25
=1.9x8x4x125x0.25
=1.9x8x125x0.25x4
=1.9x1000x1
=1900