用+、﹣、×、÷四种运算符号把下面算式连接起来.(允许加小括号)
①1□2□3□4□5=10
②1□2□3□4□5=10
③1□2□3□4□5=10.
直接写得数.
+
=
×3.6= 2.4﹣1
= 12
÷3=
23﹣2.03﹣2.003=(64+
)×
= 3.6÷0.36=
×4÷
×4=
1
﹣
﹣
=(
﹣
)×30=
直接写得数
30﹣19.02= 1﹣0.94+0.06= 3.125+1
= 1×5÷
×
=
1÷0.1﹣1×0.1= 12×3.14﹣6.28=
+
+
=
×0.25+3=
直接写得数
4.3+3.57= 6.3÷0.9= 2.4×0.5= 1÷0.2÷0.5=
5﹣
﹣
= 10÷10%= 1÷0.2÷0.5= 7×
÷7×
=
直接写得数
24÷
=
﹣
= 10+2.52=(
﹣0.5)×
=
×
=(
+
)×12=
×
÷
×
= 0.32×200=
计算下面各题.
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