6.12÷8.5-0.58怎么简便运算?
问题描述:
6.12÷8.5-0.58怎么简便运算?
答
四则混合运算 1) (58+370)÷(64-45) 2) 86+(98+14+2)= 3) (6.8-6.8×0.55)÷8.5 12) 133-(28+29)-43= 13) 1650÷25=
答
6.12÷8.5-0.58
=(6.12-0.58*8.5)÷8.5
=(6.12-4.93)÷8.5
=1.19÷8.5
=0.14