递等式计算(能巧算的要巧算,并写出必要的计算过程) 988÷4+1222167-67×5 648+375+25+152195×2÷3 89

2024-11-24 15:21:31
推荐回答(1个)
回答1:

(1)988÷4+122
=247+122
=369;

(2)2167-67×5 
=2167-335 
=1832;

(3)648+375+25+152
=(648+152)+(375+25)
=800+400
=1200;

(4)195×2÷3
=390÷3
=130;

(5)892-(158-192)
=892-158+192
=734+192
=926;

(6)96×6-6×46
=6×(96-46)
=6×50
=300.