练习十六练习十六222444484636202830373036101910 5522 5 2727先算先算12-5=712-5=7再算再算20+7=2720+7=2710 9 134 1 3535先算先算14-9=514-9=5再算再算30+5=3530+5=35先算先算10-6=410-6=4再算再算20+4=2420+4=24245491614282243271434333222921803668-5=63(箱箱)48-30=18(把)(把)444727676555 48-5=43 74-6=68 52-9=4322-7=15(只)(只)681457308522491374-6=6882-6=7663-6=5735-6=2950-6=4441-6=3543-8=3553-8=4584-8=7695-8=8727-8=1970-8=62=63727545357394456 49 42 35 28 21 147263 54 45 36 27 1850-8=42(元元)5145542452478794447739+1=40(人)(人)