
脱式计算,能简算的要简算.(14-18)×(32+25) 3.5÷[1.4×(0.1-0.05)] 37×15+47÷5
脱式计算,能简算的要简算.(14-18)×(32+25)3.5÷[1.4×(0.1-0.05)]37×15+47÷56.7×101....
脱式计算,能简算的要简算.(14-18)×(32+25) 3.5÷[1.4×(0.1-0.05)] 37×15+47÷5 6.7×101.
展开
展开全部
①(
-
)÷(
+
),
=
÷
,
=
×
,
=
;
②3.5÷[1.4×(0.1-0.05)],
=3.5÷[1.4×0.05],
=3.5÷0.07,
=50;
③
×
+
÷5,
=
×
+
×
,
=
×(
+
),
=
;
④6.7×101,
=6.7×(100+1),
=6.7×100+6.7×1,
=676.7.
1 |
4 |
1 |
8 |
3 |
2 |
2 |
5 |
=
1 |
8 |
19 |
10 |
=
1 |
8 |
10 |
19 |
=
5 |
76 |
②3.5÷[1.4×(0.1-0.05)],
=3.5÷[1.4×0.05],
=3.5÷0.07,
=50;
③
3 |
7 |
1 |
5 |
4 |
7 |
=
3 |
7 |
1 |
5 |
4 |
7 |
1 |
5 |
=
1 |
5 |
3 |
7 |
4 |
7 |
=
1 |
5 |
④6.7×101,
=6.7×(100+1),
=6.7×100+6.7×1,
=676.7.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询