脱式计算,能简算的要简算.99×625+625 (53.76-21.24)÷15 36900÷(2060
脱式计算,能简算的要简算.99×625+625(53.76-21.24)÷1536900÷(2060-1910)+6015.7-(2.17+0.73)-1.83...
脱式计算,能简算的要简算.99×625+625 (53.76-21.24)÷15 36900÷(2060-1910)+60 15.7-(2.17+0.73)-1.83
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(1)99×625+625
=(99+1)×625
=100×625
=62500;
(2)(53.76-21.24)÷15
=32.52÷15
=2.168;
(3)36900÷(2060-1910)+60
=36900÷150+60
=246+60
=306;
(4)15.7-(2.17+0.73)-1.83
=15.7-2.17-0.73-1.83
=(15.7-0.73)-(2.17+1.83)
=14.97-4
=10.97.
=(99+1)×625
=100×625
=62500;
(2)(53.76-21.24)÷15
=32.52÷15
=2.168;
(3)36900÷(2060-1910)+60
=36900÷150+60
=246+60
=306;
(4)15.7-(2.17+0.73)-1.83
=15.7-2.17-0.73-1.83
=(15.7-0.73)-(2.17+1.83)
=14.97-4
=10.97.
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