问题
解答题
①4的
②8.5减去5.6与4.8的和除以1.3的商,差是多少? |
答案
①4×
+4×2 7
,5 7
=4×(
+2 7
),5 7
=4×1,
=4.
答:和是4.
②8.5-(5.6+4.8)÷1.3,
=8.5-10.4÷1.3,
=8.5-8,
=0.5.
答:差是0.5.
①4的
②8.5减去5.6与4.8的和除以1.3的商,差是多少? |
①4×
+4×2 7
,5 7
=4×(
+2 7
),5 7
=4×1,
=4.
答:和是4.
②8.5-(5.6+4.8)÷1.3,
=8.5-10.4÷1.3,
=8.5-8,
=0.5.
答:差是0.5.