五年级上册数学脱式计算练习200题及答案计算下列各式的值,能简便计算的要简便计算。 (1)13.65×9.9÷6.5= (2)47.31÷(0.2+8.1)= (3)[25.39+(5.4-9.4)]÷2.3= (4)2.4×0.99= (5)49.9×0.99= (6)5.4+12.96+7.6+2.04= (7)4.35+3.16+4.65= (8)12.9÷4.3+5.695÷0.67= (9)[3.8+(1.8-3.2)]×9.8...