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0.25×1.25×0.67×32
=0.25×1.25×0.67×4×8
=(0.25×4)×(0.125×8)×0.67
=1×1×0.67
=0.67
33.41÷4－3.41×0.25
=33.41×1/4-3.41×1/4
=(33.41-3.41)×1/4
=30×1/4
=7.5
0.99×0.81＋0.11×9×0.19
=0.99×0.81+0.99×0.19
=0.99×(0.81+0.19)
=0.99×1
=0.99
(5.23＋5.23＋5.23＋5.23) ×25
=5.23×4×25
=5.23×100
=523
=0.25×1.25×0.67×4×8
=(0.25×4)×(0.125×8)×0.67
=1×1×0.67
=0.67
33.41÷4－3.41×0.25
=33.41×1/4-3.41×1/4
=(33.41-3.41)×1/4
=30×1/4
=7.5
0.99×0.81＋0.11×9×0.19
=0.99×0.81+0.99×0.19
=0.99×(0.81+0.19)
=0.99×1
=0.99
(5.23＋5.23＋5.23＋5.23) ×25
=5.23×4×25
=5.23×100
=523
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