问题
计算题
简算。
(1)9999×7778+3333×6666
(2)5.6×69.32+138.64×0.05+693.2×0.43
答案
(1)原式=9999×(7778+2222)
=99990000
(2)原式=5.6×69.32+69.32×0.1+69.32×4.3
=69.32×10
=693.2
简算。
(1)9999×7778+3333×6666
(2)5.6×69.32+138.64×0.05+693.2×0.43
(1)原式=9999×(7778+2222)
=99990000
(2)原式=5.6×69.32+69.32×0.1+69.32×4.3
=69.32×10
=693.2