五年级上册数学 期末计算题练习
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简介
(1) 0.77÷35 =0.77÷(7×5) =0.77÷7÷5 =0.11÷5 =0.022 (2)3.64×7.5÷0.75 =3.64×(7.5÷0.75) =3.64×10 =36.4 (3)23.6×99+23.6 =23.6×(99+1) =23.6×100 =2360 (4) 10.1×9.9 =(10+0.1)×9.9 =10×9.9+0.1×9.9 =99+0.99 =99.99 (5) 2.75×99+2.75 =2.75×99+2.75×1 =2.75×(99+1) =2.75×100 =275
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