Question

31×126-31×26用递等式简便法怎样计算?

Answer 1

31×126-31×26用递等式简便法怎样计算?

31×126-31×26用递等式简便法怎样计算?
31×126-31×26
=31*（126-26）
=31*100
=3100

32+63x31-123的递等式大姿简便计算

32+63x31-123
解：
=31+1+63x31-31x4+1
=31x1+63x31-31x4+2
=(63+1)x31-31x4+2
=64x31-4x31+2
=(64-4)x31+2
=60x31+2
=1860+2
=1862
祝学习进步。

用简便方法计算递等式1200÷24

1200÷24
= 1200÷12÷2
= 100÷2
= 50

2.84÷2.5简便方法用递等式计算

2.84÷2.5
=（3-0.16）×0.4
=1.2-0.064
=1.136

325÷13×（380－347），用递等式怎样简便计算。

325÷13×（380－347），用递等式怎样简便计算。
=25×33
=825

103×12怎样用递等式计算最简便

103×12怎样用递等式计算最简便
103×12
=100*12+3*12
=1200+36
=1236

0.94×10.1用简便递等滚棚绝式计算

0.94×10.1用简便递等式计算
=0.94×(10+0.1)
=0.94×10+0.94×0.1
=9.4+0.094
=9.494

1.01×35用简便递等式计算

1.01×35
=1×35+0.01×35
=35+0.35
=35.35

递等式计算（能简便则简便）和简

14700―14700÷28+825
=14700―14700÷7÷4+825
=14700-2100÷4+825
=14700+（825—525）
=14700+300
=15000