Question

【求助】小学六年级下册数学题

Answer 1

5)9×(8×0.125)×(0.25×0.4)
=9×1×0.1
=0.9
6)=4/9÷[4/5-1/5-1/3]
=4/9÷(3/5-1/3)
=4/9÷4/15
=5/3
7)=3/10×5/12-5/12×1/5
=(3/10-1/5)×5/12
=1/10×5/12
=1/24

Answer 2

先算小括号里的为十五分之八，再算中括号的为十五分之四，最后就等于九分之四乘以四分之十五得三分之五。