直接写出得数
﹣ |
1÷ ÷1 |
+ |
× |
1÷![]() |
2﹣2÷2 |
7﹣ ﹣ |
÷ ÷ × |
×![]() |
101×99 |
100×0.1% |
× ×8 |
| 100×10% |
20× × |
4.8×50% |
0.125×16÷2. |
怎样简便就怎样算:
0.25×3.2×12528×0.25+28×
6.28﹣
﹣
+3.72(0.125+
+
)×24.
脱式计算.(能简算要简算的)
①2×3.6+3.6×7+3.6②1.25×32×25 ③5.42﹣(3.75﹣0.58)
④34.7﹣
+65.3﹣
⑤
×
×1
×1
⑥23×
+57÷
.
脱式计算下面各题(能简算的要用简便方法计算,并写出简算过程).
(84×27﹣2166)÷17
×3.7+5.3÷
+2.2(0.75÷3﹣0.1)×(1﹣
)
直接写出得数.
﹣
=2.25+1.75=4﹣
=100×
÷25=(
+
)×15=
35×
=800﹣375=1﹣0.5+9.5=0.25×7×4=
÷
×
=
脱式计算,能简算的要简算.
496﹣23×164.2﹣1.38+5.8﹣3.62
×23+
×7
43×99
÷[(
﹣
)÷
]
+
+
+
+
.