12+235+65=
答案:
12 + 235 + 65 = 12 + (235 + 65) = 12 + 300 = 312
16+628+72=
答案:
16 + 628 + 72 = 16 + (628 + 72) = 16 + 700 = 716
201×15=
答案:
201×15 = (200 + 1)×15 = 200×15 + 1×15 = 3000 + 15 = 3015
32×3+28×3=
答案:
32×3 + 28×3 = (32 + 28)×3 = 60×3 = 180
857-215-85=
答案:
857 - 215 - 85 = 857 - (215 + 85) = 857 - 300 = 557
754-426-74=
答案:
754 - 426 - 74 = 754 - (426 + 74) = 754 - 500 = 254
196-(51+96)=
答案:
196 - (51 + 96) = 196 - 96 - 51 = 100 - 51 = 49
24×4+46×4=
答案:
24×4 + 46×4 = (24 + 46)×4 = 70×4 = 280
480÷2÷5=
答案:
480÷2÷5 = 480÷(2×5) = 480÷10 = 48
720÷8÷5=
答案:
720÷8÷5 = 720÷(8×5) = 720÷40 = 18
636+61+64=
答案:
636 + 61 + 64 = 636 + 64 + 61 = 700 + 61 = 761
322+24+78=
答案:
322 + 24 + 78 = 322 + 78 + 24 = 400 + 24 = 424
22×403=
答案:
22×403 = 22×(400 + 3) = 22×400 + 22×3 = 8800 + 66 = 8866
12×808=
答案:
12×808 = 12×(800 + 8) = 12×800 + 12×8 = 9600 + 96 = 9696
11×6+89×6=
答案:
11×6 + 89×6 = (11 + 89)×6 = 100×6 = 600
8×59×125=
答案:
8×59×125 = 8×125×59 = 1000×59 = 59000
540÷5÷4=
答案:
540÷5÷4 = 540÷(5×4) = 540÷20 = 27
101×65=
答案:
101×65 = (100 + 1)×65 = 100×65 + 1×65 = 6500 + 65 = 6565
18+646+54=
答案:
18 + 646 + 54 = 18 + (646 + 54) = 18 + 700 = 718
318+78+82=
答案:
318 + 78 + 82 = 318 + 82 + 78 = 400 + 78 = 478
48×101=
答案:
48×101 = 48×(100 + 1) = 48×100 + 48×1 = 4800 + 48 = 4848
821-245-55=
答案:
821 - 245 - 55 = 821 - (245 + 55) = 821 - 300 = 521
721-122-78=
答案:
721 - 122 - 78 = 721 - (122 + 78) = 721 - 200 = 521
330÷2÷5=
答案:
330÷2÷5 = 330÷(2×5) = 330÷10 = 33
34+646+54=
答案:
34 + 646 + 54 = 34 + 54 + 646 = 88 + 646 = 734
44+245+55=
答案:
44 + 245 + 55 = 44 + (245 + 55) = 44 + 300 = 344
45×4+15×4=
答案:
45×4 + 15×4 = (45 + 15)×4 = 60×4 = 240
180÷9÷2=
答案:
180÷9÷2 = 180÷(9×2) = 180÷18 = 10
841-133-67=
答案:
841 - 133 - 67 = 841 - (133 + 67) = 841 - 200 = 641
9×35+35=
答案:
9×35 + 35 = (9 + 1)×35 = 10×35 = 350
99×99+99=
答案:
99×99 + 99 = 99×(99 + 1) = 99×100 = 9900
102×9-18=
答案:
102×9 - 18 = 102×9 - 2×9 = (102 - 2)×9 = 100×9 = 900
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