问题
解答题
递等式计算
(35.55)×15
8×7×125
5.3+43.6+38.7
(59+187)÷3.
答案
(1)(35+55)×15,
=90×15,
=1350;
(2)8×7×125,
=(8×125)×7,
=1000×7,
=7000;
(3)5.3+43.6+38.7,
=(5.3+38.7)+43.6,
=44+43.6,
=87.6;
(4)(59+187)÷3,
=246÷3,
=82.