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。
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。