5.6*9/4+22/5*2.25
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5.6*9/4+22/5*2.25
5.6*9/4+22/5*2.25
5.6*9/4+22/5*2.25
5.6×9/4+22/5×2.25
=5.6×9/4+4.4×9/4
=(5.6+4.4)×9/4
=10×9/4
=45/2
5.6*9/4+22/5*2.25
=22.5
5.6*9/4+22/5*2.25
5.6*9/4+22/5*2.25
5.6*9/4+22/5*2.25
5.6×9/4+22/5×2.25
=5.6×9/4+4.4×9/4
=(5.6+4.4)×9/4
=10×9/4
=45/2
5.6*9/4+22/5*2.25
=22.5