简便计算:4.8×7又5⼀8+2又3⼀8×4.8

2024-11-20 06:13:38
推荐回答(1个)
回答1:

1. 4又2/3×7/8+11又1/3÷1又1/7
=14/3×7/8+34/3×7/8
=(14/3+34/3)×7/8
=48/3×7/8
=42/3

2. 0.36×5=0.6+3/4x
解: 1.8=0.6+3/4x
1.8-0.6=3/4x
3/4x=1.8-0.6
3/4x=1.2
x=1.6