小学五年级小数脱式简便计算题带答案有哪些？

408－12×24 = 408 - 288 = 120 （46＋28）×60 = 74 x 60 = 4440 42×50－17 = 2100- 17 = 2083 32＋105÷5 = 32 + 21 = 53 420×（327－238） = 420 x 89 = 37380 (4121+2389)÷7 = 6510 ÷7 = 930 3.416÷（0.016×35） = 3.416 ÷0.56 = 6.1 0.8×[(10－6.76)÷1.2] = 0.8 x(3.24÷1.2) = 0.8 x 2.