试题 试卷
题型:脱式计算 题类: 难易度:困难
2021.07.24巴蜀中学小升初数学测试卷
⑴ ⑵
⑶ ⑷
⑸3(2y-3)+25=y-6(y+1) ⑹
⑺若3.5×[6.8-(1.6+Δ÷0.9)]÷8.4=0.5, 求Δ的值.
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