直接写出得数:
①390+11= ②240÷60= ③630﹣160= ④90×70= ⑤900÷6=
⑥4500÷15= ⑦120×7= ⑧7200÷90= ⑨140×6= ⑩18﹣6×3=
脱式计算,能简算的要简算.
(7.6﹣1
+80%)÷(1﹣30%)75%×0.375+1.625×
﹣0.7524﹣4.62﹣5.38
1.25×2.5×32[
﹣(25%+
)]÷10%
÷[(
﹣
)×
].
计算下面各题,能简算的要简算.
×
×
(
+
)×24
×101﹣
2012×
×0.2+0.8×
4×5×(
﹣
)
下面各题,怎样算简便就怎样算.
6.8÷4﹣1.2×25%+4
×0.253.7×
+5.3×0.75+
38×
9.9+99.9+999.9 (
+
)×24×15.
直接写出得数:
0.77+1.33=20×70%=(0.18+9)÷9=
1.87+5.3=12.6﹣1.7=200×(1﹣40%)=
×75%=45÷90%=
×99+
=
下面各题怎样简便就怎样算
(
×
+
)÷(11﹣
)(
+
×
)÷
÷[(
+
)×2]128×
﹣
×128﹣2÷
×0.375+
÷
×1
+125%+0.625×1.25.