840÷21=
A.3B.24C.40D.6400C
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- 2026-04-26840÷21=A.3B.24C.40D.6400
- 2026-04-26580与260的差.扩大400倍后是A.104000B.182000C.128000D.232000
- 2026-04-264300与1400的和.除以60的5倍.商是A.12B.19C.10D.9
- 2026-04-2642×300÷600＝A.22B.21C.19D.18
- 2026-04-262÷14＝A.3.7B.0.32C.1.8D.0.48
- 2026-04-2636×1.01＝A.15B.48C.0.3636D.24
- 2026-04-268×11-4.8＝A.15B.48C.0.3636D.24
- 2026-04-265÷5＝A.4.25B.1.8C.0.19D.4.5