4.6+5.4×3 29.16-6.48-3.52
2.5×13.7×0.4 9.9×4.63+0.1×4.63
0×26=
132÷1000=
71×4×25=
0÷305=
3.6×100=
56-56÷8=
273-99=
5×12÷5×12=
说理:
243×75+243×24+243 7800÷4÷25
465-23-45 -32 78×[(1450+1250)÷36]
0.32×0.19= ×19=0.608 ×=6.08