脱式计算.
2004×8.1+1.9×2004﹣(
+
×
)×
(1﹣
)÷(
+
)
4.38×0.75+3.62×0.7512×11﹣12.535÷[(
﹣
)×3].
直接写得数
362﹣97=0.66+0.27=1.5×0.04=1.2÷0.4=﹣
=
+
=4÷
=
×
=
÷
=0.25×9+0.25=
脱式计算.
1969+48×12÷244.18×6.5﹣8.4÷1.6 2+7
÷
﹣2
×
2.4×[3
÷(3﹣7.2×
)].
脱式计算.(友情提醒:有的可以简算)
4000﹣3456÷32×53.68﹣3.6×0.2+0.18 48×9.9+48×0.1
(1﹣)÷0.25×4 (6﹣6×
)÷122÷[
+(
﹣
)].
直接写得数.
8×99=0.6×0.9=80÷=0.32=
×60=
﹣
=1﹣
+
=10×10%=