脱式计算:
(1)(2.34﹣3.25×6.4)÷6.5 (2)×[
﹣(
﹣
)]
(3)36×(﹢
﹣
) (4)3.25×9.8+0.325×2.
直接写出得数:
0.75÷15= 40×5.2= 27×9= 10.6+5.8+1.4=
11.2﹣9.8= 18.5+0.9= 9500÷500= 2.8+0.2×0.5=
12÷0.4= 3.1×30= 1﹣= 8.6÷0.4÷5=
直接写出得数.
6.5+0.5= 8.2﹣3.2= 5.8+4.2= 10﹣3.3﹣4.7==
=
= 0.7×1.25×8=
=
=
=
=
直接写出得数.
9.54+1.6= 0.32÷0.8= 90×40%= 5×6÷6×5==
7.2×=
= 1
= 5﹣0.78= 1﹣
=
0× 120÷(20+40)=
直接写出得数.
1.06+0.94= 0.18÷0.6=÷
=
=
1.25=
0.08×5= 2÷= 0.25×
= 2.5÷1.25= 0.875÷
=
直接写出得数.
1﹣0.09= 2÷0.02=÷
= 8×125%=
0.45×101=(1﹣)×16= 2.5×0.7×0.4=
×24÷
=
:=
=