精选问答
口算下列各题:58+17=75+35=43+47=84-30=49÷7=78-35=80-61=93-53=72-49=34-27=87-36=87-38=35+42=50+130=8×5=500+900=1400-700=800+500=1200-500=61+38=2500+700=6400-800=85-6×6=780+30=56+25=52-18=47+39=1000+990=200+800=84-59=670+300=7800-700=1000-990=58+72÷8=36+48=2000-20

2020-03-12

口算下列各题:
58+17=75+35=43+47=84-30=49÷7=
78-35=80-61=93-53=72-49=34-27=
87-36=87-38=35+42=50+130=8×5=
500+900=1400-700=800+500=1200-500=61+38=
2500+700=6400-800=85-6×6=780+30=56+25=
52-18=47+39=1000+990=200+800=84-59=
670+300=7800-700=1000-990=58+72÷8=36+48=
2000-200=7000-4000=500+4300=1000-800=84-39=
400+500=5300+1000=320+600=700-40=83-26=
200+300=1500-500=400-200=600+2000=32+24=
440-60=80+70=600+70=510-500=52+26=
74-47=90+60=90-65=53-42=55-37=
优质解答
58+17=7575+35=11043+47=9084-30=5449÷7=7
78-35=4380-61=1993-53=4072-49=2334-27=7
87-36=5187-38=4935+42=7750+130=1808×5=40
500+900=14001400-700=700800+500=13001200-500=70061+38=99
2500+700=32006400-800=560085-6×6=49780+30=81056+25=81
52-18=3447+39=861000+990=1990200+800=100084-59=25
670+300=9707800-700=71001000-990=1058+72÷8=6736+48=84
2000-200=18007000-4000=3000500+4300=48001000-800=20084-39=45
400+500=9005300+1000=6300320+600=920700-40=66083-26=57
200+300=5001500-500=1000400-200=200600+2000=260032+24=56
440-60=38080+70=150600+70=670510-500=1052+26=78
74-47=2790+60=15090-65=2553-42=1155-37=18
58+17=7575+35=11043+47=9084-30=5449÷7=7
78-35=4380-61=1993-53=4072-49=2334-27=7
87-36=5187-38=4935+42=7750+130=1808×5=40
500+900=14001400-700=700800+500=13001200-500=70061+38=99
2500+700=32006400-800=560085-6×6=49780+30=81056+25=81
52-18=3447+39=861000+990=1990200+800=100084-59=25
670+300=9707800-700=71001000-990=1058+72÷8=6736+48=84
2000-200=18007000-4000=3000500+4300=48001000-800=20084-39=45
400+500=9005300+1000=6300320+600=920700-40=66083-26=57
200+300=5001500-500=1000400-200=200600+2000=260032+24=56
440-60=38080+70=150600+70=670510-500=1052+26=78
74-47=2790+60=15090-65=2553-42=1155-37=18
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