2022届小升初数学及答案解析

30\r10x4-10=304-10\rx=3\r3X2=6G\r-?N>?@6GN>CD@3G\r34.67\]^_P`abc50/UcLdP2Me2.5U?.\r1`abPghijLOklmP\r2nopo`abPqrAsituv!ptOklwPuvP\r3o`ab'xy1600zP{`abP{eLOwP\r?|}504-2=25m\r50X25=1250klm\r-?`abPghijL1250klm\r21250+50X2.5X2+25X2.5X2\r16!17EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r=1250+250+125\r=1625klm\r-?!pt1625klwPuv\r316004-1250=1.28m\r-?`abP{eL1.28m\r3\r35.57€‚ƒ\„…†‡ˆ‰210]Šˆ‰$„…†Pg,$ŒP…†P\r]Žw‘]ŽP’L1?6,$„…†w!“O]P\r?:2104-W\r7\r=210+G\r=900]\r-?$„…†w!“900].\r36.57\—˜™Nš›3œž›96š\rŸ ¡_¢£Nš¤¥0.5œ\r$—˜ž›OšP\r??3X96+3-0.5-96\r=288+2.5-96\r=115.2-96\r=19.2š\r-?$—˜ž›19.2š\r37.57\§c100mP¨©ª‡«¬10­N­c3.2mPc®ªP¯°«¬\r±N­c1.7mP²®ª²®ª“O­P\r??100-3.2X104-1.7\r=100-324-1.7\r=68+1.7\r=40­\r-?²®ª“40­\r17!17