文档介绍:...wd...
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41-19+10=
52-14+14= 48+18-37= 17+4+14=
75+16-5= 75+12-5= 18+28+11=
26+25+45= 48-29+10= 16+47-34=
45-36+11= 41-23+10= 55+18+17=
68-39-9= 75-37-30= 92-36-30=
65-30-29= 16+55+22=58+22+13=
17+35-23= 56+14+24=18+39+16=
16+35+25= 76-29-28= 91-22-20=
74-27-29= 93-44-42= 16+37+17=
练****五
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17-4+17= 75+16-45= 75-26+35=
18+28-17= 44-24-18= 67-39-19=
98-49+10= 48-8-21= 68-9-57=
69+9-57=48+23+10= 10+47+33=
46+36+19= 45+28+18= 88-44-38=
65-56-5= 35+35+10= 18+35+25=
17+36+33= 40+39+13=62+28-60=
84-20+27= 74-50+19= 64+37-14=
18+4+14= 8+44+46= 27+44+13=
57+15+11= 38+25+12= 25+8+18=
练****六
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67-18+23= 16-7+25= 26+18-12=
66+15-16= 19+44+11= 66-20-18=
79-29-35= 33-4-20= 37-18-4=
17+44+22= 8+44-43= 9+44-11=
11+44-22= 21+44-13= 16-7+25=
45-16-14= 77-18-50= 89-10-34=
83-44-23=45-27+10= 4-65-16=
64-23-19=66-17-33= 73-34-10=
18+9-19=64-55+5= 26+15+25=
35+45+10=27+32+23= 41+19+10=
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练****七
90-47+44= 99-53+35= 72-36+25=
50+25-24= 58+22-23= 79-38+27=
58-47+11= 58+15-40= 58+25-46=
88-44+37= 40+16-27= 63+23-18=
79-27+9= 38+29-19= 75-37+30=
36+28-8=68+26-28= 55+25-25=
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