六年级上册数学脱式计算题及答案

10.75×0. 4-5.7

=4.3-5.7

=-1.4

=15.708

=15.708

=15.708

14 × 8/7 – 5/6 × 12/15

＝16-2/3

=15又1/3

4+5×{2+2}+3 =4+5×4+3 =4+20+3 =24+3 =27

4+5×{2+[5-4]×2}+3

=4+5×{2+1×2}+3

＝4+5×{2+2}+3

＝4+5×4+3

=4+20+3

=24+3

=27。