如题所述
4.78X4+4.22÷0.25
=4.78X4+4.22X4
=4X(4.78+4.22)
=4X9
=36
=4.78X4+4.22X4
=4X(4.78+4.22)
=4X9
=36
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第1个回答 2020-01-11
4.78×4+4.22÷0.25
=4.78×4+4.22÷1/4
=4.78×4+4.22×4
=(4.78+4.22)×4
=9×4
=36本回答被网友采纳
=4.78×4+4.22÷1/4
=4.78×4+4.22×4
=(4.78+4.22)×4
=9×4
=36本回答被网友采纳
第2个回答 2020-01-11
把0.25写成1/4
4.78×4＋4.22÷0.25
＝4.78×4＋4.22÷1/4
＝4.78×4＋4.22×4
＝4×（4.78＋4.22）
＝4×9
＝36
4.78×4＋4.22÷0.25
＝4.78×4＋4.22÷1/4
＝4.78×4＋4.22×4
＝4×（4.78＋4.22）
＝4×9
＝36
第3个回答 2020-01-11
4.78×4+4.22÷025
=（4.78+4.22）×4
=36
=（4.78+4.22）×4
=36
