脱式计算题四年级上册

2026-06-13

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。...

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