题目内容
从21.3里减去8.75与0.75的和,差是______;3.8比一个数的1.5倍多1.1,这个数是______.
(1)21.3-(8.75+0.75),
=21.3-9.5,
=11.8;
答:差是11.8.
(2)(3.8-1.1)÷1.5,
=2.7÷1.5,
=1.8;
答:这个数是1.8.
=21.3-9.5,
=11.8;
答:差是11.8.
(2)(3.8-1.1)÷1.5,
=2.7÷1.5,
=1.8;
答:这个数是1.8.
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