题目内容
【题目】
看谁算得快.
0.36+1.7=
×
= 0.32×0.05= 1.2÷
=
×
÷
×
= 6.8﹣1.08= 50×30%=
﹣
﹣
=
0.18÷0.12= (
+
)×8=
【答案】2.06,
,0.016,1.4,
,5.72,15,
,1.5,9.
【解析】
试题分析:
×
÷
×
先把除法变成乘法,再运用乘法分配律简算;
﹣
﹣
根据连续减去两个数等于减去这两个数的和来简算;(
+
)×8运用乘法分配律简算;其它题目根据运算法则直接求解.
解:
0.36+1.7=2.06,
×
=
, 0.32×0.05=0.016, 1.2÷
=1.4,
×
÷
×
=
, 6.8﹣1.08=5.72, 50×30%=15,
﹣
﹣
=
,
0.18÷0.12=1.5, (
+
)×8=9.
故答案为:2.06,
,0.016,1.4,
,5.72,15,
,1.5,9.
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