综合百科

脱式计算题四年级上册

具体例题如下:

1.42×(8–6)+16

=42×2+16

=84+16

=100

2.75÷5–2×4+11+24÷8

=15–2×4+11+24÷8

=15–8+11+24÷8

=15–8+11+3

=7+11+3

=18+3

=21。