直接写出得数.
0.72÷0.09= 25÷20%= 98×101= 398+199= (25×0.25)×8=
2.9×4×0.5= 2.7÷= 28
÷7= (2.4+3
)×
= 16
÷8=
(+0.12)÷4= 1
×12﹣12×
= 7
÷7
= 4.4﹣4
= 7.75﹣(5.8﹣1
)=
(11.9+17.1)×=