一个长方形操场长和宽相差60米,沿着操场跑两圈是800米.这个操场长、宽各多少米?
直接写得数.
0.36+4= 0×
= 5.7﹣0.9= 0.5÷0.25=
4×
÷4×
= 0.2 2=
÷80%=
+
=
81×
=(
﹣
)×12=
直接写出得数.
(1)
+
=(2)1÷
=(3)
×26=(4)
÷
=
(5)
﹣
=(6)12÷
×0=(7)2+
=(8)
×
=
(9)
+
+
=(10)
×
×5=
直接写得数.
+
= 1﹣
=
+
=
﹣
=
1﹣28%=
×16=
×
= 36÷
=
÷
= 25×40%=
直接写出得数.
40×0.25= 1.25×0.8= 0.1÷0.01=0.6+1.9=
3.5﹣2.25= 12.8÷4=
+
=
﹣
=
12×
= 1÷
=
×
=
÷
=
直接写出得数
1﹣0.375= 0.125×8= 280﹣45= 1.3÷0.25=
400÷600= 8.64×100=
+
=
﹣
=
×
=
÷
= 12×
= 6÷
=