问题
解答题
直接写得数.
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答案
(1)2-0.64-0.36,
=2-(0.64+0.36),
=2-1,
=1;
(2)0.25×4÷0.25×4,
=1÷0.25×4,
=4×4,
=16;
(3)6.3+7=13.3;
(4)1.25×3.3×0﹦0;
(5)2.19+9.1=11.29;
(6)37.2×99+37.2,
=37.2×(99+1),
=37.2×100,
=3720.
直接写得数.
|
(1)2-0.64-0.36,
=2-(0.64+0.36),
=2-1,
=1;
(2)0.25×4÷0.25×4,
=1÷0.25×4,
=4×4,
=16;
(3)6.3+7=13.3;
(4)1.25×3.3×0﹦0;
(5)2.19+9.1=11.29;
(6)37.2×99+37.2,
=37.2×(99+1),
=37.2×100,
=3720.